Added "learn more" toggle and area for platform-specific content

anwiki/_override-static/global/global/css/main.css

 *
 {
   font-family: Arial, sans;
   font-size: 16px;
 }
 
 body
 {
   background-color: #f8f6f2;
   background-image: url(../img/background.png);
@@ skipping 219 matching lines @@
   background-position: -83px -83px;
 }
 
 #content h1
 {
   font-size: 30px;
 }
 
 #content h2
 {
+  font-weight: bold;
   font-size: 25px;
 }
 
 #content h3
 {
   font-size: 20px;
 }
 
 .toc
 {
@@ skipping 105 matching lines @@
 
 div.animation[started="false"]
 {
   cursor: pointer;
 }
 
 div.animation[started="true"]
 {
   -moz-user-select: none;
 }