Index: wp-admin/css/dashboard.dev.css
===================================================================
--- wp-admin/css/dashboard.dev.css	(revision 18336)
+++ wp-admin/css/dashboard.dev.css	(working copy)
@@ -456,6 +456,7 @@
 	-moz-box-shadow: none;
 	-webkit-box-shadow: none;
 	box-shadow:none;
+	color: #fff;
 }
 
 #dashboard_browser_nag.postbox.browser-insecure h3 {
@@ -471,11 +472,6 @@
 	background: transparent none;
 }
 
-.ui-sortable #dashboard_browser_nag.postbox,
-.ui-sortable #dashboard_browser_nag.postbox h3 {
-	color: #fff;
-}
-
 #dashboard_browser_nag a {
 	color: #fff;
 }