Index: wp-admin/wp-admin.css
===================================================================
--- wp-admin/wp-admin.css	(revision 6883)
+++ wp-admin/wp-admin.css	(working copy)
@@ -654,7 +654,8 @@
 #adminmenu {
 	margin: 0;
 	list-style: none;
-	background: #e4f2fd url(images/admin-menu.gif) repeat-x bottom left;
+        background-color: #e4f2fd;
+	border-bottom: 1px solid #c6d9e9;
 	padding-left: 15px;
 }
 
@@ -667,7 +668,6 @@
 	font-size: 16px;
 	padding: 6px 7px 6px 7px;
 	line-height: 200%;
-	border-bottom: 1px solid #c6d9e9;
 }
 
 #adminmenu a:hover, #adminmenu a.current, #adminmenu a.current:hover {
@@ -677,15 +677,18 @@
 	font-weight: bold;
 	-moz-border-radius-topleft: 4px;
 	-moz-border-radius-topright: 4px;
-	border-bottom: 1px solid #fff;
 	padding: 6px;
 }
 
 #adminmenu a:hover {
-	border-bottom: 1px solid #c6d9e9;
+	border-bottom: 0;
 	font-weight: normal;
 }
 
+#adminmenu a.current, #adminmenu a.current:hover {
+	border-bottom: 2px solid #fff;
+}
+
 #sidemenu {
 	margin: 0;
 	color: #999;
@@ -1210,4 +1213,4 @@
 
 .commentlist .avatar {
 	vertical-align:text-top;
-}
\ No newline at end of file
+}