diff --git a/1984/anonymous/index.html b/1984/anonymous/index.html
index 631e16cd0..1e32b9fbe 100644
--- a/1984/anonymous/index.html
+++ b/1984/anonymous/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1984/decot/index.html b/1984/decot/index.html
index 24b7e8fd6..644f97a7f 100644
--- a/1984/decot/index.html
+++ b/1984/decot/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1984/index.html b/1984/index.html
index 78482a585..1abb5d9a4 100644
--- a/1984/index.html
+++ b/1984/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1984/laman/index.html b/1984/laman/index.html
index cf3281bda..ac738c49d 100644
--- a/1984/laman/index.html
+++ b/1984/laman/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1984/mullender/index.html b/1984/mullender/index.html
index 57c79d243..d8690444c 100644
--- a/1984/mullender/index.html
+++ b/1984/mullender/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1985/applin/index.html b/1985/applin/index.html
index 0abb2c244..507494995 100644
--- a/1985/applin/index.html
+++ b/1985/applin/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1985/august/index.html b/1985/august/index.html
index 2083ac9d1..b274507b4 100644
--- a/1985/august/index.html
+++ b/1985/august/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1985/index.html b/1985/index.html
index f72a1cf78..1cfa7c8d4 100644
--- a/1985/index.html
+++ b/1985/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1985/lycklama/index.html b/1985/lycklama/index.html
index 4b7971897..00048f96c 100644
--- a/1985/lycklama/index.html
+++ b/1985/lycklama/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1985/shapiro/index.html b/1985/shapiro/index.html
index 61040213b..a20d6921a 100644
--- a/1985/shapiro/index.html
+++ b/1985/shapiro/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1985/sicherman/index.html b/1985/sicherman/index.html
index 1ae53425f..fd81e6e51 100644
--- a/1985/sicherman/index.html
+++ b/1985/sicherman/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1986/applin/index.html b/1986/applin/index.html
index e771d1b8e..62df035d2 100644
--- a/1986/applin/index.html
+++ b/1986/applin/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1986/august/index.html b/1986/august/index.html
index 8dcac4646..991508a93 100644
--- a/1986/august/index.html
+++ b/1986/august/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1986/bright/index.html b/1986/bright/index.html
index 067bf7f88..daec6d86a 100644
--- a/1986/bright/index.html
+++ b/1986/bright/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1986/hague/index.html b/1986/hague/index.html
index e3e10be5e..7e9faed2c 100644
--- a/1986/hague/index.html
+++ b/1986/hague/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1986/holloway/index.html b/1986/holloway/index.html
index 0172e21cf..b108d82a8 100644
--- a/1986/holloway/index.html
+++ b/1986/holloway/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1986/index.html b/1986/index.html
index e55e9b403..1bcb52f6a 100644
--- a/1986/index.html
+++ b/1986/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1986/marshall/compilers.html b/1986/marshall/compilers.html
index e994d5cab..9968cac27 100644
--- a/1986/marshall/compilers.html
+++ b/1986/marshall/compilers.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1986/marshall/index.html b/1986/marshall/index.html
index 193952ed2..db83a6b61 100644
--- a/1986/marshall/index.html
+++ b/1986/marshall/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1986/pawka/index.html b/1986/pawka/index.html
index d9fd3c7b8..6e3a36590 100644
--- a/1986/pawka/index.html
+++ b/1986/pawka/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1986/stein/index.html b/1986/stein/index.html
index 4b24d276c..0c3fa4d98 100644
--- a/1986/stein/index.html
+++ b/1986/stein/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1986/wall/index.html b/1986/wall/index.html
index eae849343..246183d5d 100644
--- a/1986/wall/index.html
+++ b/1986/wall/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1987/biggar/index.html b/1987/biggar/index.html
index 5e3fa26d4..5a06747c3 100644
--- a/1987/biggar/index.html
+++ b/1987/biggar/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1987/heckbert/index.html b/1987/heckbert/index.html
index 2fa8a25a2..6c17e5126 100644
--- a/1987/heckbert/index.html
+++ b/1987/heckbert/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1987/hines/index.html b/1987/hines/index.html
index 5ba2e31bb..e6ac58802 100644
--- a/1987/hines/index.html
+++ b/1987/hines/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1987/index.html b/1987/index.html
index d9455f823..aeba1f93d 100644
--- a/1987/index.html
+++ b/1987/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1987/korn/index.html b/1987/korn/index.html
index 3161802e9..39d0462f4 100644
--- a/1987/korn/index.html
+++ b/1987/korn/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1987/lievaart/index.html b/1987/lievaart/index.html
index 653902d14..e99aa5fe3 100644
--- a/1987/lievaart/index.html
+++ b/1987/lievaart/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1987/wall/index.html b/1987/wall/index.html
index 6172622d4..9b00fcc51 100644
--- a/1987/wall/index.html
+++ b/1987/wall/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1987/westley/index.html b/1987/westley/index.html
index 1714f4475..39aa78903 100644
--- a/1987/westley/index.html
+++ b/1987/westley/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1988/applin/index.html b/1988/applin/index.html
index 0e08b950b..47789818e 100644
--- a/1988/applin/index.html
+++ b/1988/applin/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1988/dale/index.html b/1988/dale/index.html
index 390c71f88..e6cc54d69 100644
--- a/1988/dale/index.html
+++ b/1988/dale/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1988/index.html b/1988/index.html
index c4c59c117..1799e12e5 100644
--- a/1988/index.html
+++ b/1988/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1988/isaak/index.html b/1988/isaak/index.html
index e00189948..d2352f4b6 100644
--- a/1988/isaak/index.html
+++ b/1988/isaak/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1988/litmaath/index.html b/1988/litmaath/index.html
index 53829bda2..781dcc839 100644
--- a/1988/litmaath/index.html
+++ b/1988/litmaath/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1988/phillipps/index.html b/1988/phillipps/index.html
index cc49d98a1..e48823eb6 100644
--- a/1988/phillipps/index.html
+++ b/1988/phillipps/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1988/reddy/index.html b/1988/reddy/index.html
index e3b622639..dd74b2e08 100644
--- a/1988/reddy/index.html
+++ b/1988/reddy/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1988/robison/index.html b/1988/robison/index.html
index 93b1a492f..c7a96dd52 100644
--- a/1988/robison/index.html
+++ b/1988/robison/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1988/spinellis/index.html b/1988/spinellis/index.html
index 4ef53135a..61a900eca 100644
--- a/1988/spinellis/index.html
+++ b/1988/spinellis/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1988/westley/index.html b/1988/westley/index.html
index 62fa32ecc..80654708c 100644
--- a/1988/westley/index.html
+++ b/1988/westley/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1989/fubar/index.html b/1989/fubar/index.html
index d9be7812d..de6c9ffbc 100644
--- a/1989/fubar/index.html
+++ b/1989/fubar/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1989/index.html b/1989/index.html
index f1dd86582..eec8f53a4 100644
--- a/1989/index.html
+++ b/1989/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1989/jar.1/index.html b/1989/jar.1/index.html
index 82b70d46e..48d2b0bf2 100644
--- a/1989/jar.1/index.html
+++ b/1989/jar.1/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1989/jar.2/index.html b/1989/jar.2/index.html
index ec7d1df0c..08edf8214 100644
--- a/1989/jar.2/index.html
+++ b/1989/jar.2/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1989/ovdluhe/index.html b/1989/ovdluhe/index.html
index 894935f24..6c7b83d1b 100644
--- a/1989/ovdluhe/index.html
+++ b/1989/ovdluhe/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1989/paul/index.html b/1989/paul/index.html
index 8693d8d59..6a0ff94da 100644
--- a/1989/paul/index.html
+++ b/1989/paul/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1989/robison/index.html b/1989/robison/index.html
index e09694281..1df81e589 100644
--- a/1989/robison/index.html
+++ b/1989/robison/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1989/roemer/index.html b/1989/roemer/index.html
index ec99f5a47..e4757768d 100644
--- a/1989/roemer/index.html
+++ b/1989/roemer/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1989/tromp/index.html b/1989/tromp/index.html
index eea436701..4e34390b7 100644
--- a/1989/tromp/index.html
+++ b/1989/tromp/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1989/vanb/index.html b/1989/vanb/index.html
index 0d313cd5a..820f90109 100644
--- a/1989/vanb/index.html
+++ b/1989/vanb/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1989/westley/index.html b/1989/westley/index.html
index bc9929cb8..c439fa09b 100644
--- a/1989/westley/index.html
+++ b/1989/westley/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1990/baruch/index.html b/1990/baruch/index.html
index e3c91f5da..9468bed77 100644
--- a/1990/baruch/index.html
+++ b/1990/baruch/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1990/cmills/index.html b/1990/cmills/index.html
index 5f3fdba12..19e69bbb6 100644
--- a/1990/cmills/index.html
+++ b/1990/cmills/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1990/dds/index.html b/1990/dds/index.html
index a0f443d4d..248b9d629 100644
--- a/1990/dds/index.html
+++ b/1990/dds/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1990/dg/index.html b/1990/dg/index.html
index 2c095ec60..606a1ffcf 100644
--- a/1990/dg/index.html
+++ b/1990/dg/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1990/index.html b/1990/index.html
index 1f62bc269..b2041154f 100644
--- a/1990/index.html
+++ b/1990/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1990/jaw/index.html b/1990/jaw/index.html
index 1e044a611..91de6735c 100644
--- a/1990/jaw/index.html
+++ b/1990/jaw/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1990/pjr/index.html b/1990/pjr/index.html
index 1cb809c35..7c64230bd 100644
--- a/1990/pjr/index.html
+++ b/1990/pjr/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1990/scjones/index.html b/1990/scjones/index.html
index 92e040e32..5b5620581 100644
--- a/1990/scjones/index.html
+++ b/1990/scjones/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1990/stig/index.html b/1990/stig/index.html
index 4ca7ae9cc..83e5378a7 100644
--- a/1990/stig/index.html
+++ b/1990/stig/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1990/tbr/index.html b/1990/tbr/index.html
index 3d536a507..4e809efac 100644
--- a/1990/tbr/index.html
+++ b/1990/tbr/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1990/theorem/index.html b/1990/theorem/index.html
index 158be9288..3b4bf6fe9 100644
--- a/1990/theorem/index.html
+++ b/1990/theorem/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1990/westley/index.html b/1990/westley/index.html
index 91554a390..063444907 100644
--- a/1990/westley/index.html
+++ b/1990/westley/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1991/ant/index.html b/1991/ant/index.html
index 9f27be463..e46de37d5 100644
--- a/1991/ant/index.html
+++ b/1991/ant/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1991/brnstnd/index.html b/1991/brnstnd/index.html
index f1eef7984..07a897770 100644
--- a/1991/brnstnd/index.html
+++ b/1991/brnstnd/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1991/brnstnd/sorta.README.html b/1991/brnstnd/sorta.README.html
index 836822440..d712e9a3a 100644
--- a/1991/brnstnd/sorta.README.html
+++ b/1991/brnstnd/sorta.README.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1991/buzzard/index.html b/1991/buzzard/index.html
index 2ea7adb5d..9fda0faed 100644
--- a/1991/buzzard/index.html
+++ b/1991/buzzard/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1991/cdupont/index.html b/1991/cdupont/index.html
index 65576fde8..e23b37e43 100644
--- a/1991/cdupont/index.html
+++ b/1991/cdupont/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1991/davidguy/index.html b/1991/davidguy/index.html
index 453cc16d0..623dffc03 100644
--- a/1991/davidguy/index.html
+++ b/1991/davidguy/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1991/dds/index.html b/1991/dds/index.html
index 1d421c74f..692590dc4 100644
--- a/1991/dds/index.html
+++ b/1991/dds/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1991/fine/index.html b/1991/fine/index.html
index e351bb974..05029dcb1 100644
--- a/1991/fine/index.html
+++ b/1991/fine/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1991/index.html b/1991/index.html
index faa5c807f..5581619f8 100644
--- a/1991/index.html
+++ b/1991/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1991/rince/index.html b/1991/rince/index.html
index eea65e4a2..cb5722cfa 100644
--- a/1991/rince/index.html
+++ b/1991/rince/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1991/westley/index.html b/1991/westley/index.html
index 4c39bc479..9492c35c2 100644
--- a/1991/westley/index.html
+++ b/1991/westley/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1992/adrian/index.html b/1992/adrian/index.html
index 31ff9aecf..3e3aac8a6 100644
--- a/1992/adrian/index.html
+++ b/1992/adrian/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1992/albert/index.html b/1992/albert/index.html
index 14e53e5e2..05e8f472d 100644
--- a/1992/albert/index.html
+++ b/1992/albert/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1992/ant/index.html b/1992/ant/index.html
index 62d2b4b72..1261d4f44 100644
--- a/1992/ant/index.html
+++ b/1992/ant/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1992/buzzard.1/index.html b/1992/buzzard.1/index.html
index fa790e2ba..f0128d637 100644
--- a/1992/buzzard.1/index.html
+++ b/1992/buzzard.1/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1992/buzzard.2/buzzard.2.README.html b/1992/buzzard.2/buzzard.2.README.html
index ea504f2c6..eea060624 100644
--- a/1992/buzzard.2/buzzard.2.README.html
+++ b/1992/buzzard.2/buzzard.2.README.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1992/buzzard.2/buzzard.2.design.html b/1992/buzzard.2/buzzard.2.design.html
index 2e5974a97..9a98ab953 100644
--- a/1992/buzzard.2/buzzard.2.design.html
+++ b/1992/buzzard.2/buzzard.2.design.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1992/buzzard.2/index.html b/1992/buzzard.2/index.html
index 285390ac4..23e52957a 100644
--- a/1992/buzzard.2/index.html
+++ b/1992/buzzard.2/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1992/gson/index.html b/1992/gson/index.html
index 6a1902906..86b09f73b 100644
--- a/1992/gson/index.html
+++ b/1992/gson/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1992/imc/index.html b/1992/imc/index.html
index 6e4d116b9..6ae55d4f0 100644
--- a/1992/imc/index.html
+++ b/1992/imc/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1992/index.html b/1992/index.html
index 7c8680e2d..f5320b5b1 100644
--- a/1992/index.html
+++ b/1992/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1992/kivinen/index.html b/1992/kivinen/index.html
index 58f81cab8..e9bde6959 100644
--- a/1992/kivinen/index.html
+++ b/1992/kivinen/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1992/lush/index.html b/1992/lush/index.html
index ffd82a306..32d3a4bf2 100644
--- a/1992/lush/index.html
+++ b/1992/lush/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1992/marangon/index.html b/1992/marangon/index.html
index 8dc9effa4..2657d6702 100644
--- a/1992/marangon/index.html
+++ b/1992/marangon/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1992/nathan/index.html b/1992/nathan/index.html
index eeff75291..46b2d3e2e 100644
--- a/1992/nathan/index.html
+++ b/1992/nathan/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1992/vern/index.html b/1992/vern/index.html
index 42766ff78..2b4f82c75 100644
--- a/1992/vern/index.html
+++ b/1992/vern/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1992/westley/index.html b/1992/westley/index.html
index 729294e3c..976fcb558 100644
--- a/1992/westley/index.html
+++ b/1992/westley/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1993/ant/index.html b/1993/ant/index.html
index 244f5b7f0..134a4ce77 100644
--- a/1993/ant/index.html
+++ b/1993/ant/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1993/cmills/index.html b/1993/cmills/index.html
index 25fbaf9b1..ea5100ae1 100644
--- a/1993/cmills/index.html
+++ b/1993/cmills/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1993/dgibson/index.html b/1993/dgibson/index.html
index d19167a9f..8644462ab 100644
--- a/1993/dgibson/index.html
+++ b/1993/dgibson/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1993/ejb/hanoi.html b/1993/ejb/hanoi.html
index 493eed350..8d979817b 100644
--- a/1993/ejb/hanoi.html
+++ b/1993/ejb/hanoi.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1993/ejb/index.html b/1993/ejb/index.html
index 82e795037..59fbbddab 100644
--- a/1993/ejb/index.html
+++ b/1993/ejb/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1993/ejb/patience.html b/1993/ejb/patience.html
index f1ce97ffc..302c51d3e 100644
--- a/1993/ejb/patience.html
+++ b/1993/ejb/patience.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1993/index.html b/1993/index.html
index 3665a9f59..588af2ab7 100644
--- a/1993/index.html
+++ b/1993/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1993/jonth/index.html b/1993/jonth/index.html
index c002801e2..3bd56fe53 100644
--- a/1993/jonth/index.html
+++ b/1993/jonth/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1993/leo/index.html b/1993/leo/index.html
index 925951376..f4f64fd78 100644
--- a/1993/leo/index.html
+++ b/1993/leo/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1993/lmfjyh/index.html b/1993/lmfjyh/index.html
index 22ef83278..be3d6b523 100644
--- a/1993/lmfjyh/index.html
+++ b/1993/lmfjyh/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1993/plummer/index.html b/1993/plummer/index.html
index 2a6e11ace..469f96df0 100644
--- a/1993/plummer/index.html
+++ b/1993/plummer/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1993/rince/design.html b/1993/rince/design.html
index 1d02af947..e2bc01b02 100644
--- a/1993/rince/design.html
+++ b/1993/rince/design.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1993/rince/index.html b/1993/rince/index.html
index fae0b16f5..808f9fd3d 100644
--- a/1993/rince/index.html
+++ b/1993/rince/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1993/schnitzi/index.html b/1993/schnitzi/index.html
index 0405018b1..a5a3f8b40 100644
--- a/1993/schnitzi/index.html
+++ b/1993/schnitzi/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1993/vanb/index.html b/1993/vanb/index.html
index 777537d6d..e24559d90 100644
--- a/1993/vanb/index.html
+++ b/1993/vanb/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1994/dodsond1/index.html b/1994/dodsond1/index.html
index 35a51613e..aadafc91d 100644
--- a/1994/dodsond1/index.html
+++ b/1994/dodsond1/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1994/dodsond2/index.html b/1994/dodsond2/index.html
index 98aec7b9c..ac17a5e5c 100644
--- a/1994/dodsond2/index.html
+++ b/1994/dodsond2/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1994/horton/index.html b/1994/horton/index.html
index 6eeb38040..d18aeef49 100644
--- a/1994/horton/index.html
+++ b/1994/horton/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1994/imc/index.html b/1994/imc/index.html
index 859cfad64..f251b0cca 100644
--- a/1994/imc/index.html
+++ b/1994/imc/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1994/index.html b/1994/index.html
index ff82735ad..29b66f055 100644
--- a/1994/index.html
+++ b/1994/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1994/ldb/index.html b/1994/ldb/index.html
index 004a392cb..05913a117 100644
--- a/1994/ldb/index.html
+++ b/1994/ldb/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1994/schnitzi/index.html b/1994/schnitzi/index.html
index 2cc4e025f..0e2d68526 100644
--- a/1994/schnitzi/index.html
+++ b/1994/schnitzi/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1994/shapiro/index.html b/1994/shapiro/index.html
index ec2d15e98..918832e88 100644
--- a/1994/shapiro/index.html
+++ b/1994/shapiro/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1994/shapiro/shapiro.html b/1994/shapiro/shapiro.html
index aa864583e..a358796b4 100644
--- a/1994/shapiro/shapiro.html
+++ b/1994/shapiro/shapiro.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1994/smr/index.html b/1994/smr/index.html
index 10ef96d69..380742433 100644
--- a/1994/smr/index.html
+++ b/1994/smr/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1994/tvr/index.html b/1994/tvr/index.html
index 9af23ef93..689a9351d 100644
--- a/1994/tvr/index.html
+++ b/1994/tvr/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1994/weisberg/index.html b/1994/weisberg/index.html
index 9a60b6e7a..d237be9bb 100644
--- a/1994/weisberg/index.html
+++ b/1994/weisberg/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1994/westley/index.html b/1994/westley/index.html
index b1254e67c..65bd35ef3 100644
--- a/1994/westley/index.html
+++ b/1994/westley/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1995/cdua/index.html b/1995/cdua/index.html
index ae4b71a79..ceba03927 100644
--- a/1995/cdua/index.html
+++ b/1995/cdua/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1995/dodsond1/index.html b/1995/dodsond1/index.html
index 94b5380ab..e8665d564 100644
--- a/1995/dodsond1/index.html
+++ b/1995/dodsond1/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1995/dodsond2/index.html b/1995/dodsond2/index.html
index 213e820d7..15b96c89a 100644
--- a/1995/dodsond2/index.html
+++ b/1995/dodsond2/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1995/esde/index.html b/1995/esde/index.html
index ca451a061..ec76a5a7d 100644
--- a/1995/esde/index.html
+++ b/1995/esde/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1995/garry/index.html b/1995/garry/index.html
index 20fb4a6a9..e13e20b6e 100644
--- a/1995/garry/index.html
+++ b/1995/garry/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1995/heathbar/index.html b/1995/heathbar/index.html
index 1e72258ce..efe961604 100644
--- a/1995/heathbar/index.html
+++ b/1995/heathbar/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1995/index.html b/1995/index.html
index 68c9d1410..65cde4238 100644
--- a/1995/index.html
+++ b/1995/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1995/leo/index.html b/1995/leo/index.html
index 3438d0e72..f6431af81 100644
--- a/1995/leo/index.html
+++ b/1995/leo/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1995/leo/spoiler1.html b/1995/leo/spoiler1.html
index dcc86db15..7ba770819 100644
--- a/1995/leo/spoiler1.html
+++ b/1995/leo/spoiler1.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1995/makarios/index.html b/1995/makarios/index.html
index a95ce29f1..96375f82f 100644
--- a/1995/makarios/index.html
+++ b/1995/makarios/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1995/savastio/index.html b/1995/savastio/index.html
index c2b078fad..ef9002618 100644
--- a/1995/savastio/index.html
+++ b/1995/savastio/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1995/schnitzi/index.html b/1995/schnitzi/index.html
index b8fbb249f..0b4dafdbb 100644
--- a/1995/schnitzi/index.html
+++ b/1995/schnitzi/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1995/spinellis/index.html b/1995/spinellis/index.html
index 83030ec5d..a439cde3b 100644
--- a/1995/spinellis/index.html
+++ b/1995/spinellis/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1995/vanschnitz/index.html b/1995/vanschnitz/index.html
index 3e72fb1da..03a36077f 100644
--- a/1995/vanschnitz/index.html
+++ b/1995/vanschnitz/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1996/august/index.html b/1996/august/index.html
index 8014d6b8e..89b2a8c5c 100644
--- a/1996/august/index.html
+++ b/1996/august/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1996/dalbec/index.html b/1996/dalbec/index.html
index fd42d1acd..75f6b6805 100644
--- a/1996/dalbec/index.html
+++ b/1996/dalbec/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1996/eldby/index.html b/1996/eldby/index.html
index ab641b9c9..7c04910ff 100644
--- a/1996/eldby/index.html
+++ b/1996/eldby/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1996/gandalf/index.html b/1996/gandalf/index.html
index 77f7e8f23..64b033bbd 100644
--- a/1996/gandalf/index.html
+++ b/1996/gandalf/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1996/huffman/index.html b/1996/huffman/index.html
index 5719392c4..a5fe04b6e 100644
--- a/1996/huffman/index.html
+++ b/1996/huffman/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1996/index.html b/1996/index.html
index 8ba5f667f..b07bee2dd 100644
--- a/1996/index.html
+++ b/1996/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1996/jonth/index.html b/1996/jonth/index.html
index 8b8ba1315..d8724d5bd 100644
--- a/1996/jonth/index.html
+++ b/1996/jonth/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1996/rcm/index.html b/1996/rcm/index.html
index 477a69309..a8683287c 100644
--- a/1996/rcm/index.html
+++ b/1996/rcm/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1996/schweikh1/index.html b/1996/schweikh1/index.html
index 5ab95dd6d..1134e2449 100644
--- a/1996/schweikh1/index.html
+++ b/1996/schweikh1/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1996/schweikh2/index.html b/1996/schweikh2/index.html
index 77fce93fd..ee8da4e43 100644
--- a/1996/schweikh2/index.html
+++ b/1996/schweikh2/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1996/schweikh3/index.html b/1996/schweikh3/index.html
index 39540c690..b121b97f8 100644
--- a/1996/schweikh3/index.html
+++ b/1996/schweikh3/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1996/westley/index.html b/1996/westley/index.html
index 0af1048dd..c0cdb4380 100644
--- a/1996/westley/index.html
+++ b/1996/westley/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1998/banks/index.html b/1998/banks/index.html
index 525aec6a7..354665d61 100644
--- a/1998/banks/index.html
+++ b/1998/banks/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1998/bas1/index.html b/1998/bas1/index.html
index ca2023d79..44d96500c 100644
--- a/1998/bas1/index.html
+++ b/1998/bas1/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1998/bas2/index.html b/1998/bas2/index.html
index cd5d8cae8..23f90fb74 100644
--- a/1998/bas2/index.html
+++ b/1998/bas2/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1998/chaos/index.html b/1998/chaos/index.html
index 0296d4fe8..97a558777 100644
--- a/1998/chaos/index.html
+++ b/1998/chaos/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1998/df/index.html b/1998/df/index.html
index 136161709..07dd56e00 100644
--- a/1998/df/index.html
+++ b/1998/df/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1998/dlowe/index.html b/1998/dlowe/index.html
index ef3b9de6b..cfba6918b 100644
--- a/1998/dlowe/index.html
+++ b/1998/dlowe/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1998/dloweneil/index.html b/1998/dloweneil/index.html
index 259f9ce0c..a7851bbd5 100644
--- a/1998/dloweneil/index.html
+++ b/1998/dloweneil/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1998/dorssel/dorssel.html b/1998/dorssel/dorssel.html
index 04a8df7f8..08da16fe3 100644
--- a/1998/dorssel/dorssel.html
+++ b/1998/dorssel/dorssel.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1998/dorssel/index.html b/1998/dorssel/index.html
index eb8e41b9f..ad3a57e44 100644
--- a/1998/dorssel/index.html
+++ b/1998/dorssel/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1998/fanf/index.html b/1998/fanf/index.html
index 1312d856b..493ebc4d9 100644
--- a/1998/fanf/index.html
+++ b/1998/fanf/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1998/index.html b/1998/index.html
index b7df1fccf..c0e544a86 100644
--- a/1998/index.html
+++ b/1998/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1998/schnitzi/index.html b/1998/schnitzi/index.html
index d31bc66e3..1ec6fcabf 100644
--- a/1998/schnitzi/index.html
+++ b/1998/schnitzi/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1998/schweikh1/index.html b/1998/schweikh1/index.html
index f38070b7b..4e168b71e 100644
--- a/1998/schweikh1/index.html
+++ b/1998/schweikh1/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1998/schweikh1/macos.html b/1998/schweikh1/macos.html
index d20724fd7..bcb1f2fa5 100644
--- a/1998/schweikh1/macos.html
+++ b/1998/schweikh1/macos.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1998/schweikh2/index.html b/1998/schweikh2/index.html
index 8deefa802..76e16bc99 100644
--- a/1998/schweikh2/index.html
+++ b/1998/schweikh2/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1998/schweikh3/index.html b/1998/schweikh3/index.html
index 7b1338721..42b1ae815 100644
--- a/1998/schweikh3/index.html
+++ b/1998/schweikh3/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/1998/tomtorfs/index.html b/1998/tomtorfs/index.html
index 9eb23a91f..c718ce8a5 100644
--- a/1998/tomtorfs/index.html
+++ b/1998/tomtorfs/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2000/anderson/index.html b/2000/anderson/index.html
index 5943b5c23..8bc69fc4e 100644
--- a/2000/anderson/index.html
+++ b/2000/anderson/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2000/bellard/index.html b/2000/bellard/index.html
index 4e065cdfb..bb71304c5 100644
--- a/2000/bellard/index.html
+++ b/2000/bellard/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2000/bmeyer/index.html b/2000/bmeyer/index.html
index 073f073ee..cb6bdb0aa 100644
--- a/2000/bmeyer/index.html
+++ b/2000/bmeyer/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2000/briddlebane/index.html b/2000/briddlebane/index.html
index 7dc12415b..e4692aec7 100644
--- a/2000/briddlebane/index.html
+++ b/2000/briddlebane/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2000/dhyang/index.html b/2000/dhyang/index.html
index c64602e7c..58934d90c 100644
--- a/2000/dhyang/index.html
+++ b/2000/dhyang/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2000/dlowe/index.html b/2000/dlowe/index.html
index 14315dad6..51b2cd5ea 100644
--- a/2000/dlowe/index.html
+++ b/2000/dlowe/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2000/index.html b/2000/index.html
index 1b1a5ea93..51b888293 100644
--- a/2000/index.html
+++ b/2000/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2000/jarijyrki/index.html b/2000/jarijyrki/index.html
index 6b7cbb0fc..b71558efb 100644
--- a/2000/jarijyrki/index.html
+++ b/2000/jarijyrki/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2000/natori/index.html b/2000/natori/index.html
index 6055f361b..55baae4df 100644
--- a/2000/natori/index.html
+++ b/2000/natori/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2000/primenum/index.html b/2000/primenum/index.html
index b89cbe611..76bd3c8c0 100644
--- a/2000/primenum/index.html
+++ b/2000/primenum/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2000/rince/index.html b/2000/rince/index.html
index dcd36f0f1..bb2c1dfda 100644
--- a/2000/rince/index.html
+++ b/2000/rince/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2000/robison/index.html b/2000/robison/index.html
index 74849cff6..4179a5e2e 100644
--- a/2000/robison/index.html
+++ b/2000/robison/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2000/schneiderwent/index.html b/2000/schneiderwent/index.html
index 97644c9ed..57bfd9355 100644
--- a/2000/schneiderwent/index.html
+++ b/2000/schneiderwent/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2000/thadgavin/index.html b/2000/thadgavin/index.html
index cad0d43c5..f02d81399 100644
--- a/2000/thadgavin/index.html
+++ b/2000/thadgavin/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2000/tomx/index.html b/2000/tomx/index.html
index fcdbca988..950fa6746 100644
--- a/2000/tomx/index.html
+++ b/2000/tomx/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2001/anonymous/index.html b/2001/anonymous/index.html
index 4a44ed4b4..02ac0c536 100644
--- a/2001/anonymous/index.html
+++ b/2001/anonymous/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2001/bellard/index.html b/2001/bellard/index.html
index 84f075885..3e1d4424b 100644
--- a/2001/bellard/index.html
+++ b/2001/bellard/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2001/cheong/index.html b/2001/cheong/index.html
index ef95e4b1e..46caffedf 100644
--- a/2001/cheong/index.html
+++ b/2001/cheong/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2001/coupard/index.html b/2001/coupard/index.html
index 8f992f7de..8e17f9e31 100644
--- a/2001/coupard/index.html
+++ b/2001/coupard/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2001/ctk/index.html b/2001/ctk/index.html
index cf1fd6c78..baae4e450 100644
--- a/2001/ctk/index.html
+++ b/2001/ctk/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2001/dgbeards/index.html b/2001/dgbeards/index.html
index 394c64833..fa535aa72 100644
--- a/2001/dgbeards/index.html
+++ b/2001/dgbeards/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2001/herrmann1/index.html b/2001/herrmann1/index.html
index cf2f20969..6bb04e58b 100644
--- a/2001/herrmann1/index.html
+++ b/2001/herrmann1/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2001/herrmann2/index.html b/2001/herrmann2/index.html
index 61b7e2c51..417a14e55 100644
--- a/2001/herrmann2/index.html
+++ b/2001/herrmann2/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2001/index.html b/2001/index.html
index a3f487c8d..afe0c1975 100644
--- a/2001/index.html
+++ b/2001/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2001/jason/index.html b/2001/jason/index.html
index 8acd18bd8..79d607daf 100644
--- a/2001/jason/index.html
+++ b/2001/jason/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2001/kev/index.html b/2001/kev/index.html
index 2e15116fc..d561808d6 100644
--- a/2001/kev/index.html
+++ b/2001/kev/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2001/ollinger/index.html b/2001/ollinger/index.html
index 091b07fd3..2bd6ad1a9 100644
--- a/2001/ollinger/index.html
+++ b/2001/ollinger/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2001/rosten/index.html b/2001/rosten/index.html
index f4f58e730..780000533 100644
--- a/2001/rosten/index.html
+++ b/2001/rosten/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2001/schweikh/index.html b/2001/schweikh/index.html
index 6551fc332..65e9ce930 100644
--- a/2001/schweikh/index.html
+++ b/2001/schweikh/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2001/westley/index.html b/2001/westley/index.html
index 48cc4ddb0..69e1cbeb3 100644
--- a/2001/westley/index.html
+++ b/2001/westley/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2001/williams/index.html b/2001/williams/index.html
index d479c172b..5fc5b40cf 100644
--- a/2001/williams/index.html
+++ b/2001/williams/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2004/anonymous/index.html b/2004/anonymous/index.html
index c12c27fc9..fb7b6a8d9 100644
--- a/2004/anonymous/index.html
+++ b/2004/anonymous/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2004/arachnid/index.html b/2004/arachnid/index.html
index d5f50ac8d..f6d7334ef 100644
--- a/2004/arachnid/index.html
+++ b/2004/arachnid/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2004/burley/index.html b/2004/burley/index.html
index 592328639..4008cd75e 100644
--- a/2004/burley/index.html
+++ b/2004/burley/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2004/gavare/index.html b/2004/gavare/index.html
index 0a740a813..ee7dc18e2 100644
--- a/2004/gavare/index.html
+++ b/2004/gavare/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2004/gavin/gavin.html b/2004/gavin/gavin.html
index 01589edd7..aace765ce 100644
--- a/2004/gavin/gavin.html
+++ b/2004/gavin/gavin.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2004/gavin/index.html b/2004/gavin/index.html
index 2f368eba6..744a662c6 100644
--- a/2004/gavin/index.html
+++ b/2004/gavin/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2004/hibachi/index.html b/2004/hibachi/index.html
index 23658c854..76e816829 100644
--- a/2004/hibachi/index.html
+++ b/2004/hibachi/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2004/hoyle/index.html b/2004/hoyle/index.html
index effa8c780..fd28ebd24 100644
--- a/2004/hoyle/index.html
+++ b/2004/hoyle/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2004/index.html b/2004/index.html
index 97486f82a..6ce26b8d2 100644
--- a/2004/index.html
+++ b/2004/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2004/jdalbec/index.html b/2004/jdalbec/index.html
index 484750e8b..b46d0a769 100644
--- a/2004/jdalbec/index.html
+++ b/2004/jdalbec/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2004/kopczynski/index.html b/2004/kopczynski/index.html
index 7e6656769..9d72202a6 100644
--- a/2004/kopczynski/index.html
+++ b/2004/kopczynski/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2004/newbern/index.html b/2004/newbern/index.html
index 50601fca7..1baa02b05 100644
--- a/2004/newbern/index.html
+++ b/2004/newbern/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2004/omoikane/index.html b/2004/omoikane/index.html
index 3a29030df..0ff5a8571 100644
--- a/2004/omoikane/index.html
+++ b/2004/omoikane/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2004/schnitzi/index.html b/2004/schnitzi/index.html
index 928f3d0c9..cc1cff099 100644
--- a/2004/schnitzi/index.html
+++ b/2004/schnitzi/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2004/sds/index.html b/2004/sds/index.html
index a605c6ae2..e076868b6 100644
--- a/2004/sds/index.html
+++ b/2004/sds/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2004/vik1/index.html b/2004/vik1/index.html
index ba1c45691..3984347bd 100644
--- a/2004/vik1/index.html
+++ b/2004/vik1/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2004/vik2/index.html b/2004/vik2/index.html
index b309fcf06..b5b1ff55a 100644
--- a/2004/vik2/index.html
+++ b/2004/vik2/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2005/aidan/index.html b/2005/aidan/index.html
index 7989e5818..6bffde42a 100644
--- a/2005/aidan/index.html
+++ b/2005/aidan/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2005/anon/index.html b/2005/anon/index.html
index 47b29de89..204c5fd0a 100644
--- a/2005/anon/index.html
+++ b/2005/anon/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2005/boutines/index.html b/2005/boutines/index.html
index 230692778..33c586a76 100644
--- a/2005/boutines/index.html
+++ b/2005/boutines/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2005/chia/index.html b/2005/chia/index.html
index 36c923f70..46df26546 100644
--- a/2005/chia/index.html
+++ b/2005/chia/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2005/giljade/index.html b/2005/giljade/index.html
index 6b2043dd7..e1fde57a6 100644
--- a/2005/giljade/index.html
+++ b/2005/giljade/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2005/index.html b/2005/index.html
index 83af08b6e..2792675d7 100644
--- a/2005/index.html
+++ b/2005/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2005/jetro/index.html b/2005/jetro/index.html
index 4718e78c5..bd612751d 100644
--- a/2005/jetro/index.html
+++ b/2005/jetro/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2005/klausler/index.html b/2005/klausler/index.html
index 658bbdf67..9d1b17032 100644
--- a/2005/klausler/index.html
+++ b/2005/klausler/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2005/mikeash/index.html b/2005/mikeash/index.html
index bf804685b..aa361c608 100644
--- a/2005/mikeash/index.html
+++ b/2005/mikeash/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2005/mynx/index.html b/2005/mynx/index.html
index 64cd97f8a..50a9bcf66 100644
--- a/2005/mynx/index.html
+++ b/2005/mynx/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2005/persano/index.html b/2005/persano/index.html
index ac37dd5f2..7910722db 100644
--- a/2005/persano/index.html
+++ b/2005/persano/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2005/sykes/index.html b/2005/sykes/index.html
index 20cdcb3c3..f2b1af9db 100644
--- a/2005/sykes/index.html
+++ b/2005/sykes/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2005/timwi/index.html b/2005/timwi/index.html
index 74375c35e..4f982ce69 100644
--- a/2005/timwi/index.html
+++ b/2005/timwi/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2005/toledo/index.html b/2005/toledo/index.html
index dd25bdedd..96a85f4c5 100644
--- a/2005/toledo/index.html
+++ b/2005/toledo/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2005/vik/index.html b/2005/vik/index.html
index 03eee7a03..08672b4de 100644
--- a/2005/vik/index.html
+++ b/2005/vik/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2005/vince/index.html b/2005/vince/index.html
index a97c7ea3f..da79ad759 100644
--- a/2005/vince/index.html
+++ b/2005/vince/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2006/birken/index.html b/2006/birken/index.html
index 53ff0f8c4..8bb291a02 100644
--- a/2006/birken/index.html
+++ b/2006/birken/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2006/borsanyi/index.html b/2006/borsanyi/index.html
index 7972bd0f5..b5a486857 100644
--- a/2006/borsanyi/index.html
+++ b/2006/borsanyi/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2006/grothe/index.html b/2006/grothe/index.html
index c40ee4d33..7e1c896b0 100644
--- a/2006/grothe/index.html
+++ b/2006/grothe/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2006/hamre/index.html b/2006/hamre/index.html
index 04cda99c8..410aad8ba 100644
--- a/2006/hamre/index.html
+++ b/2006/hamre/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2006/index.html b/2006/index.html
index a647fe505..b41d73742 100644
--- a/2006/index.html
+++ b/2006/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2006/meyer/index.html b/2006/meyer/index.html
index 42d4041f6..1637829db 100644
--- a/2006/meyer/index.html
+++ b/2006/meyer/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2006/monge/index.html b/2006/monge/index.html
index b6fc01b69..aee4c4f3f 100644
--- a/2006/monge/index.html
+++ b/2006/monge/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2006/night/index.html b/2006/night/index.html
index de0b4d0ad..cb53da24d 100644
--- a/2006/night/index.html
+++ b/2006/night/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2006/sloane/index.html b/2006/sloane/index.html
index 5d0257fe4..e630dd52d 100644
--- a/2006/sloane/index.html
+++ b/2006/sloane/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2006/stewart/index.html b/2006/stewart/index.html
index d5bbc10b3..508f4694e 100644
--- a/2006/stewart/index.html
+++ b/2006/stewart/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2006/sykes1/index.html b/2006/sykes1/index.html
index 99a666a38..d4754041e 100644
--- a/2006/sykes1/index.html
+++ b/2006/sykes1/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2006/sykes2/index.html b/2006/sykes2/index.html
index dacfe0b1a..6466df390 100644
--- a/2006/sykes2/index.html
+++ b/2006/sykes2/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2006/toledo1/index.html b/2006/toledo1/index.html
index f9271f018..58b6de175 100644
--- a/2006/toledo1/index.html
+++ b/2006/toledo1/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2006/toledo2/index.html b/2006/toledo2/index.html
index 9a01910b1..67581ea67 100644
--- a/2006/toledo2/index.html
+++ b/2006/toledo2/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2006/toledo3/index.html b/2006/toledo3/index.html
index 46e237aa0..2ef0ab790 100644
--- a/2006/toledo3/index.html
+++ b/2006/toledo3/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2011/akari/index.html b/2011/akari/index.html
index 44841c891..9125e848b 100644
--- a/2011/akari/index.html
+++ b/2011/akari/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2011/blakely/index.html b/2011/blakely/index.html
index 346d52920..2e73cd6f9 100644
--- a/2011/blakely/index.html
+++ b/2011/blakely/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2011/borsanyi/index.html b/2011/borsanyi/index.html
index 37ccda504..7a0be873b 100644
--- a/2011/borsanyi/index.html
+++ b/2011/borsanyi/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2011/dlowe/index.html b/2011/dlowe/index.html
index f2ac8e8de..2ed2c0928 100644
--- a/2011/dlowe/index.html
+++ b/2011/dlowe/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2011/eastman/index.html b/2011/eastman/index.html
index 35baa4caa..0bf8e744b 100644
--- a/2011/eastman/index.html
+++ b/2011/eastman/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2011/fredriksson/index.html b/2011/fredriksson/index.html
index cd8d5a425..182f0e692 100644
--- a/2011/fredriksson/index.html
+++ b/2011/fredriksson/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2011/goren/index.html b/2011/goren/index.html
index 5e4ff9238..b1ca18c63 100644
--- a/2011/goren/index.html
+++ b/2011/goren/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2011/hamaji/index.html b/2011/hamaji/index.html
index 832f67830..b92355a9b 100644
--- a/2011/hamaji/index.html
+++ b/2011/hamaji/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2011/hou/index.html b/2011/hou/index.html
index 6fd3e7a22..c7bde32f8 100644
--- a/2011/hou/index.html
+++ b/2011/hou/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2011/index.html b/2011/index.html
index a9efedabf..649042c96 100644
--- a/2011/index.html
+++ b/2011/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2011/konno/index.html b/2011/konno/index.html
index 6e69d6c98..42bf1e998 100644
--- a/2011/konno/index.html
+++ b/2011/konno/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2011/richards/index.html b/2011/richards/index.html
index 2dba42747..ad61a1b90 100644
--- a/2011/richards/index.html
+++ b/2011/richards/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2011/toledo/index.html b/2011/toledo/index.html
index 82a696171..0867967aa 100644
--- a/2011/toledo/index.html
+++ b/2011/toledo/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2011/vik/index.html b/2011/vik/index.html
index 49733a374..df67de322 100644
--- a/2011/vik/index.html
+++ b/2011/vik/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2011/zucker/index.html b/2011/zucker/index.html
index 3fbd00020..9fc8938b7 100644
--- a/2011/zucker/index.html
+++ b/2011/zucker/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2012/blakely/index.html b/2012/blakely/index.html
index bd9442353..44d03aff3 100644
--- a/2012/blakely/index.html
+++ b/2012/blakely/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2012/deckmyn/deckmyn.html b/2012/deckmyn/deckmyn.html
index 5b6981bda..e99a7c54f 100644
--- a/2012/deckmyn/deckmyn.html
+++ b/2012/deckmyn/deckmyn.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2012/deckmyn/index.html b/2012/deckmyn/index.html
index e6709c805..04ec56108 100644
--- a/2012/deckmyn/index.html
+++ b/2012/deckmyn/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2012/dlowe/index.html b/2012/dlowe/index.html
index 6abb7a4c1..2360866cd 100644
--- a/2012/dlowe/index.html
+++ b/2012/dlowe/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2012/endoh1/index.html b/2012/endoh1/index.html
index f3d8d7145..0cc528a51 100644
--- a/2012/endoh1/index.html
+++ b/2012/endoh1/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2012/endoh2/index.html b/2012/endoh2/index.html
index d2d7be638..349a4313d 100644
--- a/2012/endoh2/index.html
+++ b/2012/endoh2/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2012/grothe/index.html b/2012/grothe/index.html
index 1527cb4b4..20a267a77 100644
--- a/2012/grothe/index.html
+++ b/2012/grothe/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2012/hamano/index.html b/2012/hamano/index.html
index d495c70b4..456cf6685 100644
--- a/2012/hamano/index.html
+++ b/2012/hamano/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2012/hou/hint.html b/2012/hou/hint.html
index ec035c7f5..4647f72a0 100644
--- a/2012/hou/hint.html
+++ b/2012/hou/hint.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2012/hou/index.html b/2012/hou/index.html
index 1e6bf47cb..b295ad2a2 100644
--- a/2012/hou/index.html
+++ b/2012/hou/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2012/index.html b/2012/index.html
index 0fe8f7856..93aaa42bd 100644
--- a/2012/index.html
+++ b/2012/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2012/kang/index.html b/2012/kang/index.html
index 0453c047a..07306e334 100644
--- a/2012/kang/index.html
+++ b/2012/kang/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2012/konno/index.html b/2012/konno/index.html
index 5c76e9349..b275ec869 100644
--- a/2012/konno/index.html
+++ b/2012/konno/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2012/omoikane/index.html b/2012/omoikane/index.html
index 8c6ecac7b..49da91918 100644
--- a/2012/omoikane/index.html
+++ b/2012/omoikane/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2012/tromp/how.html b/2012/tromp/how.html
index 922e5c1ae..920151635 100644
--- a/2012/tromp/how.html
+++ b/2012/tromp/how.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2012/tromp/index.html b/2012/tromp/index.html
index 1f1ca3d84..24500f751 100644
--- a/2012/tromp/index.html
+++ b/2012/tromp/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2012/vik/index.html b/2012/vik/index.html
index a356a4999..2665df521 100644
--- a/2012/vik/index.html
+++ b/2012/vik/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2012/zeitak/index.html b/2012/zeitak/index.html
index 204e171bd..c0f676dd2 100644
--- a/2012/zeitak/index.html
+++ b/2012/zeitak/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2013/birken/index.html b/2013/birken/index.html
index 9879bfc72..295a88c6b 100644
--- a/2013/birken/index.html
+++ b/2013/birken/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2013/cable1/index.html b/2013/cable1/index.html
index 86b4f4c14..ca5c1a326 100644
--- a/2013/cable1/index.html
+++ b/2013/cable1/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2013/cable2/index.html b/2013/cable2/index.html
index 47d7fde66..fcb973bff 100644
--- a/2013/cable2/index.html
+++ b/2013/cable2/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2013/cable3/index.html b/2013/cable3/index.html
index 228669602..f9a0d1338 100644
--- a/2013/cable3/index.html
+++ b/2013/cable3/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2013/dlowe/index.html b/2013/dlowe/index.html
index a78e64435..2b281f8ab 100644
--- a/2013/dlowe/index.html
+++ b/2013/dlowe/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2013/endoh1/index.html b/2013/endoh1/index.html
index e83f71ca9..a20cd9fae 100644
--- a/2013/endoh1/index.html
+++ b/2013/endoh1/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2013/endoh2/index.html b/2013/endoh2/index.html
index 6047dd511..6a09ea3d8 100644
--- a/2013/endoh2/index.html
+++ b/2013/endoh2/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2013/endoh3/index.html b/2013/endoh3/index.html
index ad873f1a8..cd8a0bdbd 100644
--- a/2013/endoh3/index.html
+++ b/2013/endoh3/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2013/endoh4/index.html b/2013/endoh4/index.html
index f58c0767f..5591835a6 100644
--- a/2013/endoh4/index.html
+++ b/2013/endoh4/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2013/hou/doc/example.html b/2013/hou/doc/example.html
index 48ab2f209..488834a31 100644
--- a/2013/hou/doc/example.html
+++ b/2013/hou/doc/example.html
@@ -197,8 +197,7 @@
         src="../../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2013/hou/index.html b/2013/hou/index.html
index a04969aa6..61eb14af3 100644
--- a/2013/hou/index.html
+++ b/2013/hou/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2013/index.html b/2013/index.html
index de9542040..603a56f8c 100644
--- a/2013/index.html
+++ b/2013/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2013/mills/index.html b/2013/mills/index.html
index 52aa2bb24..e8e4b8fdc 100644
--- a/2013/mills/index.html
+++ b/2013/mills/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2013/misaka/index.html b/2013/misaka/index.html
index c84a1c3e0..d7e4f9d34 100644
--- a/2013/misaka/index.html
+++ b/2013/misaka/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2013/morgan1/index.html b/2013/morgan1/index.html
index 183623964..61a8bd1ed 100644
--- a/2013/morgan1/index.html
+++ b/2013/morgan1/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2013/morgan2/index.html b/2013/morgan2/index.html
index 83eca5cac..d9eb474cd 100644
--- a/2013/morgan2/index.html
+++ b/2013/morgan2/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2013/robison/index.html b/2013/robison/index.html
index b041df778..57bc47123 100644
--- a/2013/robison/index.html
+++ b/2013/robison/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2014/birken/index.html b/2014/birken/index.html
index fab515738..bcacb20a7 100644
--- a/2014/birken/index.html
+++ b/2014/birken/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2014/deak/index.html b/2014/deak/index.html
index 446746720..b70c78c76 100644
--- a/2014/deak/index.html
+++ b/2014/deak/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2014/endoh1/index.html b/2014/endoh1/index.html
index 1253df69c..a92b83058 100644
--- a/2014/endoh1/index.html
+++ b/2014/endoh1/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2014/endoh1/spoilers.html b/2014/endoh1/spoilers.html
index 26a257f7f..386160758 100644
--- a/2014/endoh1/spoilers.html
+++ b/2014/endoh1/spoilers.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2014/endoh2/index.html b/2014/endoh2/index.html
index ed2e8ef6f..ac6b65762 100644
--- a/2014/endoh2/index.html
+++ b/2014/endoh2/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2014/index.html b/2014/index.html
index 291c71d86..c937c7ed1 100644
--- a/2014/index.html
+++ b/2014/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2014/maffiodo1/index.html b/2014/maffiodo1/index.html
index eedae8421..d4f710eed 100644
--- a/2014/maffiodo1/index.html
+++ b/2014/maffiodo1/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2014/maffiodo2/index.html b/2014/maffiodo2/index.html
index 49ffd4a4f..343e3f2dc 100644
--- a/2014/maffiodo2/index.html
+++ b/2014/maffiodo2/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2014/morgan/index.html b/2014/morgan/index.html
index 271bf82ea..5b4e22a8a 100644
--- a/2014/morgan/index.html
+++ b/2014/morgan/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2014/sinon/index.html b/2014/sinon/index.html
index 84f090f52..ffa68f778 100644
--- a/2014/sinon/index.html
+++ b/2014/sinon/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2014/skeggs/index.html b/2014/skeggs/index.html
index d946c26a2..28a036be8 100644
--- a/2014/skeggs/index.html
+++ b/2014/skeggs/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2014/vik/index.html b/2014/vik/index.html
index 66092bf9c..3cc620ee2 100644
--- a/2014/vik/index.html
+++ b/2014/vik/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2014/wiedijk/index.html b/2014/wiedijk/index.html
index 2766197bf..a44b97320 100644
--- a/2014/wiedijk/index.html
+++ b/2014/wiedijk/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2015/burton/index.html b/2015/burton/index.html
index 259622bf0..4ae2c40d8 100644
--- a/2015/burton/index.html
+++ b/2015/burton/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2015/burton/road.to.obscurity.html b/2015/burton/road.to.obscurity.html
index c854e7a68..ee58a09ed 100644
--- a/2015/burton/road.to.obscurity.html
+++ b/2015/burton/road.to.obscurity.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2015/burton/spoilers.html b/2015/burton/spoilers.html
index 002d5fca4..146bdef65 100644
--- a/2015/burton/spoilers.html
+++ b/2015/burton/spoilers.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2015/dogon/index.html b/2015/dogon/index.html
index 79487cb66..e6e3c1b5e 100644
--- a/2015/dogon/index.html
+++ b/2015/dogon/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2015/duble/index.html b/2015/duble/index.html
index d822cadbd..d7c754575 100644
--- a/2015/duble/index.html
+++ b/2015/duble/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2015/endoh1/index.html b/2015/endoh1/index.html
index d7a50d187..a6b8cc8a7 100644
--- a/2015/endoh1/index.html
+++ b/2015/endoh1/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2015/endoh2/index.html b/2015/endoh2/index.html
index 5c0477650..bd4717e0e 100644
--- a/2015/endoh2/index.html
+++ b/2015/endoh2/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2015/endoh3/index.html b/2015/endoh3/index.html
index 5382e50a5..21fddf37f 100644
--- a/2015/endoh3/index.html
+++ b/2015/endoh3/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2015/endoh4/index.html b/2015/endoh4/index.html
index 2a10127a1..08b583955 100644
--- a/2015/endoh4/index.html
+++ b/2015/endoh4/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2015/hou/index.html b/2015/hou/index.html
index 1e8dc11e5..c87ab51f8 100644
--- a/2015/hou/index.html
+++ b/2015/hou/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2015/howe/index.html b/2015/howe/index.html
index 9602a3650..a805aa2f8 100644
--- a/2015/howe/index.html
+++ b/2015/howe/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2015/index.html b/2015/index.html
index af37d2eed..993db9d87 100644
--- a/2015/index.html
+++ b/2015/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2015/mills1/index.html b/2015/mills1/index.html
index 4104faaf9..0b8921661 100644
--- a/2015/mills1/index.html
+++ b/2015/mills1/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2015/mills2/index.html b/2015/mills2/index.html
index 8d419ad98..7091445dd 100644
--- a/2015/mills2/index.html
+++ b/2015/mills2/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2015/muth/index.html b/2015/muth/index.html
index e76857fb5..93433643c 100644
--- a/2015/muth/index.html
+++ b/2015/muth/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2015/schweikhardt/index.html b/2015/schweikhardt/index.html
index 396fdd59f..1fdda537c 100644
--- a/2015/schweikhardt/index.html
+++ b/2015/schweikhardt/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2015/yang/index.html b/2015/yang/index.html
index b6b5ab05c..827dbb69f 100644
--- a/2015/yang/index.html
+++ b/2015/yang/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2018/algmyr/index.html b/2018/algmyr/index.html
index 0f581c6a5..8b8ec1d9f 100644
--- a/2018/algmyr/index.html
+++ b/2018/algmyr/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2018/anderson/index.html b/2018/anderson/index.html
index ee55a367f..ccf519ea4 100644
--- a/2018/anderson/index.html
+++ b/2018/anderson/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2018/bellard/index.html b/2018/bellard/index.html
index 2199d258d..815a18077 100644
--- a/2018/bellard/index.html
+++ b/2018/bellard/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2018/burton1/index.html b/2018/burton1/index.html
index 969f041fa..9f6b2c0f0 100644
--- a/2018/burton1/index.html
+++ b/2018/burton1/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2018/burton2/discrepancies.html b/2018/burton2/discrepancies.html
index d5899b327..8a27a8d52 100644
--- a/2018/burton2/discrepancies.html
+++ b/2018/burton2/discrepancies.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2018/burton2/index.html b/2018/burton2/index.html
index 8feb3e93d..53f210b10 100644
--- a/2018/burton2/index.html
+++ b/2018/burton2/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2018/ciura/index.html b/2018/ciura/index.html
index e6dd16249..addbb3f50 100644
--- a/2018/ciura/index.html
+++ b/2018/ciura/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2018/endoh1/index.html b/2018/endoh1/index.html
index 1e659d36c..0f02eaf00 100644
--- a/2018/endoh1/index.html
+++ b/2018/endoh1/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2018/endoh2/index.html b/2018/endoh2/index.html
index df4268af3..f00204395 100644
--- a/2018/endoh2/index.html
+++ b/2018/endoh2/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2018/ferguson/index.html b/2018/ferguson/index.html
index 1059a475f..4e8f6328d 100644
--- a/2018/ferguson/index.html
+++ b/2018/ferguson/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2018/ferguson/rpm.html b/2018/ferguson/rpm.html
index 97c0797f7..33b075df9 100644
--- a/2018/ferguson/rpm.html
+++ b/2018/ferguson/rpm.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2018/giles/index.html b/2018/giles/index.html
index 1e6bfe0ae..532ad23d3 100644
--- a/2018/giles/index.html
+++ b/2018/giles/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2018/hou/index.html b/2018/hou/index.html
index 90d8ec03a..7f1d3f620 100644
--- a/2018/hou/index.html
+++ b/2018/hou/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2018/index.html b/2018/index.html
index 49d19aeae..04cd5d55e 100644
--- a/2018/index.html
+++ b/2018/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2018/mills/index.html b/2018/mills/index.html
index d3eae4d4a..4f761b7f5 100644
--- a/2018/mills/index.html
+++ b/2018/mills/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2018/poikola/index.html b/2018/poikola/index.html
index 410acc797..a2db678e9 100644
--- a/2018/poikola/index.html
+++ b/2018/poikola/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2018/vokes/index.html b/2018/vokes/index.html
index dc9f76d91..e8e53990a 100644
--- a/2018/vokes/index.html
+++ b/2018/vokes/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2018/yang/index.html b/2018/yang/index.html
index fb810d0f6..172dca6cf 100644
--- a/2018/yang/index.html
+++ b/2018/yang/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2019/adamovsky/index.html b/2019/adamovsky/index.html
index 872069e0e..4d2761907 100644
--- a/2019/adamovsky/index.html
+++ b/2019/adamovsky/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2019/burton/index.html b/2019/burton/index.html
index 9bc414186..857101f95 100644
--- a/2019/burton/index.html
+++ b/2019/burton/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2019/ciura/index.html b/2019/ciura/index.html
index 5120a7c3c..5b32b5397 100644
--- a/2019/ciura/index.html
+++ b/2019/ciura/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2019/diels-grabsch1/index.html b/2019/diels-grabsch1/index.html
index a8214064c..5738ab0fc 100644
--- a/2019/diels-grabsch1/index.html
+++ b/2019/diels-grabsch1/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2019/diels-grabsch2/index.html b/2019/diels-grabsch2/index.html
index 4a93a5ed9..584ab12c0 100644
--- a/2019/diels-grabsch2/index.html
+++ b/2019/diels-grabsch2/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2019/dogon/index.html b/2019/dogon/index.html
index fff99ba06..4fd202671 100644
--- a/2019/dogon/index.html
+++ b/2019/dogon/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2019/duble/index.html b/2019/duble/index.html
index c3a148e95..a7a70c1db 100644
--- a/2019/duble/index.html
+++ b/2019/duble/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2019/endoh/index.html b/2019/endoh/index.html
index f241eee2e..f58f85b5b 100644
--- a/2019/endoh/index.html
+++ b/2019/endoh/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2019/giles/index.html b/2019/giles/index.html
index 2b7482eac..2bcf28072 100644
--- a/2019/giles/index.html
+++ b/2019/giles/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2019/index.html b/2019/index.html
index 61be9ad65..973d1601f 100644
--- a/2019/index.html
+++ b/2019/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2019/karns/index.html b/2019/karns/index.html
index 0ec39972a..e08455937 100644
--- a/2019/karns/index.html
+++ b/2019/karns/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2019/lynn/index.html b/2019/lynn/index.html
index 76c976c72..41effbc2e 100644
--- a/2019/lynn/index.html
+++ b/2019/lynn/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2019/mills/index.html b/2019/mills/index.html
index 13d6f8bbf..5b35c71be 100644
--- a/2019/mills/index.html
+++ b/2019/mills/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2019/poikola/index.html b/2019/poikola/index.html
index ea68eb65a..378af273e 100644
--- a/2019/poikola/index.html
+++ b/2019/poikola/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2019/yang/index.html b/2019/yang/index.html
index 9dc2b8f2a..6ad192464 100644
--- a/2019/yang/index.html
+++ b/2019/yang/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/burton/index.html b/2020/burton/index.html
index b104d9630..c450b9131 100644
--- a/2020/burton/index.html
+++ b/2020/burton/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/carlini/index.html b/2020/carlini/index.html
index e9c7bd14a..9a483e2d3 100644
--- a/2020/carlini/index.html
+++ b/2020/carlini/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/endoh1/index.html b/2020/endoh1/index.html
index 11c19d805..634f27956 100644
--- a/2020/endoh1/index.html
+++ b/2020/endoh1/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/endoh2/index.html b/2020/endoh2/index.html
index 4b07b98cc..ee62f30d1 100644
--- a/2020/endoh2/index.html
+++ b/2020/endoh2/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/endoh2/spoiler/spoiler.html b/2020/endoh2/spoiler/spoiler.html
index ed8e66a91..eebd4d32f 100644
--- a/2020/endoh2/spoiler/spoiler.html
+++ b/2020/endoh2/spoiler/spoiler.html
@@ -197,8 +197,7 @@
         src="../../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/endoh3/index.html b/2020/endoh3/index.html
index 127b3ef66..6af456fd0 100644
--- a/2020/endoh3/index.html
+++ b/2020/endoh3/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/ferguson1/COMPILING.html b/2020/ferguson1/COMPILING.html
index ea7e0b5a1..536595bbe 100644
--- a/2020/ferguson1/COMPILING.html
+++ b/2020/ferguson1/COMPILING.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/ferguson1/HACKING.html b/2020/ferguson1/HACKING.html
index baaeced8a..31f38e983 100644
--- a/2020/ferguson1/HACKING.html
+++ b/2020/ferguson1/HACKING.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/ferguson1/bugs.html b/2020/ferguson1/bugs.html
index 595163798..2cb5d279c 100644
--- a/2020/ferguson1/bugs.html
+++ b/2020/ferguson1/bugs.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/ferguson1/cannibalism.log.html b/2020/ferguson1/cannibalism.log.html
index 4f7c4412e..983e5320d 100644
--- a/2020/ferguson1/cannibalism.log.html
+++ b/2020/ferguson1/cannibalism.log.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/ferguson1/chocolate-cake.html b/2020/ferguson1/chocolate-cake.html
index 5ac408d10..bd073590f 100644
--- a/2020/ferguson1/chocolate-cake.html
+++ b/2020/ferguson1/chocolate-cake.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/ferguson1/crazy.log.html b/2020/ferguson1/crazy.log.html
index dec210fb8..5cc77fdff 100644
--- a/2020/ferguson1/crazy.log.html
+++ b/2020/ferguson1/crazy.log.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/ferguson1/gameplay.html b/2020/ferguson1/gameplay.html
index c031d017c..3b91616a1 100644
--- a/2020/ferguson1/gameplay.html
+++ b/2020/ferguson1/gameplay.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/ferguson1/index.html b/2020/ferguson1/index.html
index 72d5ec7c5..5f036f4fe 100644
--- a/2020/ferguson1/index.html
+++ b/2020/ferguson1/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/ferguson1/spoilers.html b/2020/ferguson1/spoilers.html
index 9902fe930..5e94fd679 100644
--- a/2020/ferguson1/spoilers.html
+++ b/2020/ferguson1/spoilers.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/ferguson1/terminals.html b/2020/ferguson1/terminals.html
index 8aa195a88..0983f79d3 100644
--- a/2020/ferguson1/terminals.html
+++ b/2020/ferguson1/terminals.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/ferguson1/troubleshooting.html b/2020/ferguson1/troubleshooting.html
index cb2282c70..5d5fcd032 100644
--- a/2020/ferguson1/troubleshooting.html
+++ b/2020/ferguson1/troubleshooting.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/ferguson2/index.html b/2020/ferguson2/index.html
index 26853b731..3658f216e 100644
--- a/2020/ferguson2/index.html
+++ b/2020/ferguson2/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/ferguson2/obfuscation.html b/2020/ferguson2/obfuscation.html
index 214789263..dd72115a0 100644
--- a/2020/ferguson2/obfuscation.html
+++ b/2020/ferguson2/obfuscation.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/ferguson2/recode.html b/2020/ferguson2/recode.html
index 8c8282e9c..9675a836b 100644
--- a/2020/ferguson2/recode.html
+++ b/2020/ferguson2/recode.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/giles/index.html b/2020/giles/index.html
index d8b9b4453..414375d54 100644
--- a/2020/giles/index.html
+++ b/2020/giles/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/index.html b/2020/index.html
index 88b8d4df1..d15a3fff5 100644
--- a/2020/index.html
+++ b/2020/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/kurdyukov1/index.html b/2020/kurdyukov1/index.html
index 47886c83f..925ee5ae1 100644
--- a/2020/kurdyukov1/index.html
+++ b/2020/kurdyukov1/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/kurdyukov2/index.html b/2020/kurdyukov2/index.html
index 84388329c..99af5d522 100644
--- a/2020/kurdyukov2/index.html
+++ b/2020/kurdyukov2/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/kurdyukov3/index.html b/2020/kurdyukov3/index.html
index 604416075..0b8ebb83b 100644
--- a/2020/kurdyukov3/index.html
+++ b/2020/kurdyukov3/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/kurdyukov4/index.html b/2020/kurdyukov4/index.html
index cda6a1fc8..da708ae4a 100644
--- a/2020/kurdyukov4/index.html
+++ b/2020/kurdyukov4/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/otterness/index.html b/2020/otterness/index.html
index ef6554a25..a4d404e04 100644
--- a/2020/otterness/index.html
+++ b/2020/otterness/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/tsoj/index.html b/2020/tsoj/index.html
index 552804758..750f52dd8 100644
--- a/2020/tsoj/index.html
+++ b/2020/tsoj/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/2020/yang/index.html b/2020/yang/index.html
index e388852b2..26393d24e 100644
--- a/2020/yang/index.html
+++ b/2020/yang/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index 8d2a37d93..82c02f627 100644
--- a/CODE_OF_CONDUCT.html
+++ b/CODE_OF_CONDUCT.html
@@ -197,8 +197,7 @@
         src="./png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="./png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/README.html b/README.html
index 352316c79..2ec9444ba 100644
--- a/README.html
+++ b/README.html
@@ -197,8 +197,7 @@
         src="./png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="./png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/archive/historic/index.html b/archive/historic/index.html
index 0fa609907..43f8e97b0 100644
--- a/archive/historic/index.html
+++ b/archive/historic/index.html
@@ -197,8 +197,7 @@
         src="../../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/authors.html b/authors.html
index 791c65c87..4a02ee95d 100644
--- a/authors.html
+++ b/authors.html
@@ -197,8 +197,7 @@
         src="./png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="./png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/bin/index.html b/bin/index.html
index 75126b4be..48bbfce5c 100644
--- a/bin/index.html
+++ b/bin/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/bugs.html b/bugs.html
index 2175b5e2c..0a555e352 100644
--- a/bugs.html
+++ b/bugs.html
@@ -197,8 +197,7 @@
         src="./png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="./png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/contact.html b/contact.html
index a9e0394af..3561ff656 100644
--- a/contact.html
+++ b/contact.html
@@ -197,8 +197,7 @@
         src="./png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="./png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/faq.html b/faq.html
index 602b83e65..9a54d2b97 100644
--- a/faq.html
+++ b/faq.html
@@ -197,8 +197,7 @@
         src="./png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="./png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/inc/index.html b/inc/index.html
index 693bbe91e..1810dbd99 100644
--- a/inc/index.html
+++ b/inc/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/inc/topbar.default.html b/inc/topbar.default.html
index 658742047..0f1e72f5d 100644
--- a/inc/topbar.default.html
+++ b/inc/topbar.default.html
@@ -153,8 +153,7 @@
         src="%%DOCROOT_SLASH%%png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -162,8 +161,7 @@
         src="%%DOCROOT_SLASH%%png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/index.html b/index.html
index 061f43a31..6c37d226e 100644
--- a/index.html
+++ b/index.html
@@ -197,8 +197,7 @@
         src="./png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="./png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/judges.html b/judges.html
index fbe416ba0..743eee9e6 100644
--- a/judges.html
+++ b/judges.html
@@ -197,8 +197,7 @@
         src="./png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="./png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/license.html b/license.html
index 2beaf173e..4acf9d1af 100644
--- a/license.html
+++ b/license.html
@@ -197,8 +197,7 @@
         src="./png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="./png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/location.html b/location.html
index aff8bc59c..6a3672773 100644
--- a/location.html
+++ b/location.html
@@ -197,8 +197,7 @@
         src="./png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="./png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/markdown.html b/markdown.html
index b7c9296aa..7ba35588d 100644
--- a/markdown.html
+++ b/markdown.html
@@ -197,8 +197,7 @@
         src="./png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="./png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/news.html b/news.html
index 73660524e..34885b011 100644
--- a/news.html
+++ b/news.html
@@ -197,8 +197,7 @@
         src="./png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="./png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/next/guidelines.html b/next/guidelines.html
index 14743a2d8..cb2c3a3ca 100644
--- a/next/guidelines.html
+++ b/next/guidelines.html
@@ -25,14 +25,14 @@
 <!-- END: this line ends content from: inc/head.default.html -->
 
 <!-- -->
-<!-- This web page was formed via the tool: bin/gen-top-html.sh -->
-<!-- The content of main section of this web page came from: next/guidelines.md -->
+<!-- This web page was formed via the tool: bin/gen-status.sh -->
+<!-- The main section of this web page came from JSON and other data files -->
 <!-- -->
 
 <!-- !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
-<!-- !!! Do not modify this web page, instead modify the file: next/guidelines.md !!! -->
-<!-- !!! Do not modify this web page, instead modify the file: next/guidelines.md !!! -->
-<!-- !!! Do not modify this web page, instead modify the file: next/guidelines.md !!! -->
+<!-- The main section of this web page was generated via the tool: bin/gen-status.sh -->
+<!-- The main section of this web page was generated via the tool: bin/gen-status.sh -->
+<!-- The main section of this web page was generated via the tool: bin/gen-status.sh -->
 <!-- !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
 
 <!-- Markdown content was converted into HTML via the tool: bin/md2html.sh -->
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
@@ -387,8 +385,8 @@ might be used in a future IOCCC.</p>
 <p>Please regard these guidelines as a historic archive.</p>
 <h1 id="the-ioccc-is-closed">The IOCCC is closed</h1>
 <p>The IOCCC is <strong>NOT</strong> accepting new submissions at this time. See the
-<a href="../years.html">IOCCC winning entries page</a> for the entires that have won the IOCCC.</p>
-<p>Watch both <a href="../status.html">the IOCCC status page</a> and the
+<a href="years.html">IOCCC winning entries page</a> for the entires that have won the IOCCC.</p>
+<p>Watch both <a href="status.html">the IOCCC status page</a> and the
 <a href="https://fosstodon.org/@ioccc"><span class="citation" data-cites="IOCCC">@IOCCC</span> mastodon feed</a> for information about future IOCCC openings.</p>
 <!-- END: the next line ends content from: inc/guidelines.closed.hdr -->
 <!-- This is the last line modified by the tool: bin/gen-status.sh -->
diff --git a/next/guidelines.md b/next/guidelines.md
index 2acee7cca..c6fae8815 100644
--- a/next/guidelines.md
+++ b/next/guidelines.md
@@ -13,9 +13,9 @@ Please regard these guidelines as a historic archive.
 # The IOCCC is closed
 
 The IOCCC is **NOT** accepting new submissions at this time.  See the
-[IOCCC winning entries page](../years.html) for the entires that have won the IOCCC.
+[IOCCC winning entries page](years.html) for the entires that have won the IOCCC.
 
-Watch both [the IOCCC status page](../status.html) and the
+Watch both [the IOCCC status page](status.html) and the
 [@IOCCC mastodon feed](https://fosstodon.org/@ioccc) for information about future IOCCC openings.
 
 <!-- END: the next line ends content from: inc/guidelines.closed.hdr -->
diff --git a/next/index.html b/next/index.html
index a5a9b00d1..e70fa1403 100644
--- a/next/index.html
+++ b/next/index.html
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/next/rules.html b/next/rules.html
index c7c94fb29..0b7a73a16 100644
--- a/next/rules.html
+++ b/next/rules.html
@@ -25,14 +25,14 @@
 <!-- END: this line ends content from: inc/head.default.html -->
 
 <!-- -->
-<!-- This web page was formed via the tool: bin/gen-top-html.sh -->
-<!-- The content of main section of this web page came from: next/rules.md -->
+<!-- This web page was formed via the tool: bin/gen-status.sh -->
+<!-- The main section of this web page came from JSON and other data files -->
 <!-- -->
 
 <!-- !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
-<!-- !!! Do not modify this web page, instead modify the file: next/rules.md !!! -->
-<!-- !!! Do not modify this web page, instead modify the file: next/rules.md !!! -->
-<!-- !!! Do not modify this web page, instead modify the file: next/rules.md !!! -->
+<!-- The main section of this web page was generated via the tool: bin/gen-status.sh -->
+<!-- The main section of this web page was generated via the tool: bin/gen-status.sh -->
+<!-- The main section of this web page was generated via the tool: bin/gen-status.sh -->
 <!-- !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
 
 <!-- Markdown content was converted into HTML via the tool: bin/md2html.sh -->
@@ -197,8 +197,7 @@
         src="../png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="../png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
@@ -387,8 +385,8 @@ might be used in a future IOCCC.</p>
 <p>Please regard these rules as a historic archive.</p>
 <h1 id="the-ioccc-is-closed">The IOCCC is closed</h1>
 <p>The IOCCC is <strong>NOT</strong> accepting new submissions at this time. See the
-<a href="../years.html">IOCCC winning entries page</a> for the entires that have won the IOCCC.</p>
-<p>Watch both <a href="../status.html">the IOCCC status page</a> and the
+<a href="years.html">IOCCC winning entries page</a> for the entires that have won the IOCCC.</p>
+<p>Watch both <a href="status.html">the IOCCC status page</a> and the
 <a href="https://fosstodon.org/@ioccc"><span class="citation" data-cites="IOCCC">@IOCCC</span> mastodon feed</a> for information about future IOCCC openings.</p>
 <!-- END: the next line ends content from: inc/rules.closed.hdr -->
 <!-- This is the last line modified by the tool: bin/gen-status.sh -->
diff --git a/next/rules.md b/next/rules.md
index 01cb62869..d2a190559 100644
--- a/next/rules.md
+++ b/next/rules.md
@@ -13,9 +13,9 @@ Please regard these rules as a historic archive.
 # The IOCCC is closed
 
 The IOCCC is **NOT** accepting new submissions at this time.  See the
-[IOCCC winning entries page](../years.html) for the entires that have won the IOCCC.
+[IOCCC winning entries page](years.html) for the entires that have won the IOCCC.
 
-Watch both [the IOCCC status page](../status.html) and the
+Watch both [the IOCCC status page](status.html) and the
 [@IOCCC mastodon feed](https://fosstodon.org/@ioccc) for information about future IOCCC openings.
 
 <!-- END: the next line ends content from: inc/rules.closed.hdr -->
diff --git a/nojs-menu.html b/nojs-menu.html
index d669eecc3..c20f7c6cd 100644
--- a/nojs-menu.html
+++ b/nojs-menu.html
@@ -197,8 +197,7 @@
         src="./png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="./png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/status.html b/status.html
index 757768909..df6f354e3 100644
--- a/status.html
+++ b/status.html
@@ -197,8 +197,7 @@
         src="./png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="./png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/thanks-for-help.html b/thanks-for-help.html
index bca71b871..86ae7f937 100644
--- a/thanks-for-help.html
+++ b/thanks-for-help.html
@@ -197,8 +197,7 @@
         src="./png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="./png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">
diff --git a/years.html b/years.html
index b9fdd81c3..65d00499e 100644
--- a/years.html
+++ b/years.html
@@ -197,8 +197,7 @@
         src="./png/hamburger-icon-open.png"
         alt="hamburger style menu icon - open state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <button id="header-close-menu-button" class="hide-content">
@@ -206,8 +205,7 @@
         src="./png/hamburger-icon-closed.png"
         alt="hamburger style menu icon - closed state"
         width=48
-        height=48
-      />
+        height=48>
     </button>
 
     <div id="mobile-menu-panel" class="hide-content">