--- forum.module.orig	Tue Mar 13 11:52:28 2007
+++ forum.module	Tue Mar 13 11:56:51 2007
@@ -957,7 +957,7 @@
         }
         $description .= "</div>\n";
 
-        $rows[] = array(array('data' => $description, 'class' => 'container', 'colspan' => '4'));
+        $rows[] = array(array('data' => $description, 'class' => 'container container-' . $forum->tid, 'colspan' => '4'));
       }
       else {
         $new_topics = _forum_topics_unread($forum->tid, $user->uid);