Index: wp-content/themes/twentyten/style.css
===================================================================
--- wp-content/themes/twentyten/style.css	(revision 15228)
+++ wp-content/themes/twentyten/style.css	(working copy)
@@ -378,29 +378,28 @@
 	display:block;
 	float:left;
 }
-#access .menu-header,
-div.menu {
+#access .menu-header {
 	font-size: 13px;
-	margin-left: 12px;
+	margin: 0 0 0 12px;
+	width: 928px;
 }
-#access .menu-header ul,
-div.menu ul {
-	list-style: none;
+#access .menu-header ul {
 	margin: 0;
+	list-style: none;
 }
-#access .menu-header li,
-div.menu li {
+#access .menu-header li {
 	float:left;
 	position: relative;
 }
-#access a {
+#access .menu-header a {
 	display:block;
 	text-decoration:none;
 	color:#aaa;
 	padding:0 10px;
 	line-height:38px;
 }
-#access ul ul {
+#access .menu-header ul ul {
+	margin: 0;
 	display:none;
 	position:absolute;
 	top:38px;
@@ -412,40 +411,40 @@
 	width: 180px;
 	z-index: 99999;
 }
-#access ul ul li {
+#access .menu-header ul ul li {
 	min-width: 180px;	
 }
-#access ul ul ul {
+#access .menu-header ul ul ul {
 	left:100%;
 	top:0;
 }
-#access ul ul a {
+#access .menu-header ul ul a {
 	background:#333;
 	height:auto;
 	line-height:1em;
 	padding:10px;
 	width: 160px;
 }
-#access li:hover > a,
-#access ul ul :hover > a {
+#access .menu-header li:hover > a,
+#access .menu-header ul ul :hover > a {
 	color:#fff;
 	background:#333;
 }
-#access ul li:hover > ul {
+#access .menu-header ul li:hover > ul {
 	display:block;
 }
-#access ul li.current_page_item > a,
-#access ul li.current-menu-ancestor > a,
-#access ul li.current-menu-item > a,
-#access ul li.current-menu-parent > a {
+#access .menu-header ul li.current_page_item > a,
+#access .menu-header ul li.current-menu-ancestor > a,
+#access .menu-header ul li.current-menu-item > a,
+#access .menu-header ul li.current-menu-parent > a {
 	color: #fff;
 }
 
-* html #access ul li.current_page_item 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,
-* html #access ul li a:hover {
+* html #access .menu-header ul li.current_page_item a,
+* html #access .menu-header ul li.current-menu-ancestor a,
+* html #access .menu-header ul li.current-menu-item a,
+* html #access .menu-header ul li.current-menu-parent a,
+* html #access .menu-header ul li a:hover {
 	color:#fff;
 }