Index: wp-content/themes/twentyten/style.css
===================================================================
--- wp-content/themes/twentyten/style.css	(revision 21569)
+++ wp-content/themes/twentyten/style.css	(working copy)
@@ -437,12 +437,14 @@
 	display: block;
 }
 #access ul li.current_page_item > a,
+#access ul li.current_page_ancestor > a,
 #access ul li.current-menu-ancestor > a,
 #access ul li.current-menu-item > a,
 #access ul li.current-menu-parent > a {
 	color: #fff;
 }
 * html #access ul li.current_page_item a,
+* html #access ul li.current_page_ancestor a,
 * html #access ul li.current-menu-ancestor a,
 * html #access ul li.current-menu-item a,
 * html #access ul li.current-menu-parent a,