diff --git a/wp-admin/css/global.css b/wp-admin/css/global.css
index 3c90b4d2de..854e72160d 100644
--- a/wp-admin/css/global.css
+++ b/wp-admin/css/global.css
@@ -21,7 +21,6 @@ div#sidemenu-bg {
 	position: absolute;
 	top: 0;
 	width: 175px;
-	z-index: -1;
 }
 
 ul#adminmenu {
diff --git a/wp-admin/wp-admin.css b/wp-admin/wp-admin.css
index 5032ebca18..eb4aa11031 100644
--- a/wp-admin/wp-admin.css
+++ b/wp-admin/wp-admin.css
@@ -922,13 +922,16 @@ strong .post-com-count {
 html, body {
 	height:100%;
 }
+
 #wpwrap {
 	position: relative;
 	min-height: 100%;
+	overflow: hidden;
 }
 
 #wpcontent {
 	padding-bottom: 80px;
+	position: relative;
 }
 
 #footer {
@@ -936,8 +939,7 @@ html, body {
 	font-size: 12px;
 	height: 75px;
 	margin-top: -75px;
-	position: absolute;
-	width: 100%;
+	position: relative;
 }
 
 #footer p {