--- admin_menu.css	2008-07-25 23:49:47.000000000 +0200
+++ /Volumes/www-1/php/drupal-6.6/sites/all/modules/admin_menu/admin_menu.css	2008-11-08 19:50:23.000000000 +0100
@@ -95,6 +95,12 @@ body.admin-menu { margin-top: 20px !impo
 /* #210615: Mozilla on Mac fix */
 html.js fieldset.collapsible div.fieldset-wrapper { overflow: visible; }
 
+#admin-menu li.focused,
+#admin-menu li li.focused,
+#admin-menu li li li.focused {
+  background-color: red;
+}
+
 @media print {
   #admin-menu { display: none; }
   body.admin-menu { margin-top: 0 !important; }