Looks like UA detection is necessary for CSS

scratch/css/gollum.css

@@ -179,8 +179,62 @@ a:hover, a:visited {
   /* @section footer */
   #wiki-footer {
     clear: both;
+    margin: 2em 0 5em;
   }
   
+    .has-rightbar #wiki-footer {
+      width: 70%;
+    }
+    
+    #wiki-footer #footer-content {
+      background-color: #f7f7f7;
+      border: 1px solid #ddd;
+      font-size: 1.2em;
+      line-height: 1.5em;
+      margin-top: 1.5em;
+      padding: 1em;
+      
+      border-radius: 0.5em;
+      -moz-border-radius: 0.5em;
+      -webkit-border-radius: 0.5em;
+    }
+    
+    #wiki-footer #footer-content h3 {
+      font-size: 1.2em;
+      color: #333;
+      margin: 0;
+      padding: 0 0 0.2em;
+      text-shadow: 0 1px 0 #fff;
+    }
+    
+    #wiki-footer #footer-content p {
+      margin: 0.5em 0 0;
+      padding: 0;
+    }
+    
+    #wiki-footer #footer-content ul.links {
+      margin: 0.5em 0 0;
+      overflow: hidden;
+      padding: 0;
+    }
+    
+    #wiki-footer #footer-content ul.links li {
+      color: #999;
+      float: left;
+      list-style-position: inside;
+      list-style-type: square;
+      padding: 0;
+      margin-left: 0.6em;
+    }
+    
+    #wiki-footer #footer-content ul.links li:first-child {
+      list-style-type: none;
+      margin: 0;
+    }  
+    
+    .ff #wiki-footer #footer-content ul.links li:first-child {
+      margin: 0 -0.6em 0 0;
+    }
   
   /* @section page-footer */
   #footer {
@@ -192,4 +246,9 @@ a:hover, a:visited {
   
   #footer p#last-edit {
     color: #999;
+    margin: 0.9em 0;
   }
+  
+    #footer p#last-edit span.username {
+      font-weight: bold;
+    }