Index: wp-admin/css/wp-admin.dev.css
===================================================================
--- wp-admin/css/wp-admin.dev.css	(revision 18875)
+++ wp-admin/css/wp-admin.dev.css	(working copy)
@@ -182,25 +182,23 @@
 
 /* 2 columns main area */
 
-#col-container {
+
+
+#col-container,
+#col-left,
+#col-right {
 	overflow: hidden;
 	padding: 0;
 	margin: 0;
 }
 
 #col-left {
-	padding: 0;
-	margin: 0;
-	overflow: hidden;
 	width: 39%;
 }
 
 #col-right {
 	float: right;
 	clear: right;
-	overflow: hidden;
-	padding: 0;
-	margin: 0;
 	width: 59%;
 }