Index: wp-admin/css/wp-admin.dev.css
===================================================================
--- wp-admin/css/wp-admin.dev.css	(revision 17693)
+++ wp-admin/css/wp-admin.dev.css	(working copy)
@@ -3915,32 +3915,20 @@
 	position: relative;
 	cursor: move;
 	color: #333;
-	background: #dfdfdf;
-	-webkit-gradient(
-		linear,
-		left bottom,
-		left top,
-		color-stop(0.07, rgb(230,230,230)),
-		color-stop(0.77, rgb(216,216,216))
-	);
-	-moz-linear-gradient(
-		center bottom,
-		rgb(230,230,230) 7%,
-		rgb(216,216,216) 77%
-	);
-	background-repeat: no-repeat;
-	background-image-position: 10px 8px;	
+	background-color: #dfdfdf; /* Fallback */
+	background-image: -ms-linear-gradient(bottom, rgb(230,230,230) 7%, rgb(216,216,216) 77%); /* IE10 */ 
+	background-image: -moz-linear-gradient(bottom, rgb(230,230,230) 7%, rgb(216,216,216) 77%); /* Firefox */ 
+	background-image: -o-linear-gradient(bottom, rgb(230,230,230) 7%, rgb(216,216,216) 77%); /* Opera */ 
+	background-image: -webkit-gradient(linear, left bottom, left top, color-stop(0.07, rgb(230,230,230)), color-stop(0.77, rgb(216,216,216))); /* old Webkit  */ 
+	background-image: -webkit-linear-gradient(bottom, rgb(230,230,230) 7%, rgb(216,216,216) 77%); /* new Webkit */ 
+	background-image: linear-gradient(bottom, rgb(230,230,230) 7%, rgb(216,216,216) 77%); /* proposed W3C Markup */	
 	border-radius: 5px;
 	-webkit-border-radius: 5px;
 	-moz-border-radius: 5px;
-	-o-border-radius: 5px;	
 	border: 1px #b4b4b4 solid;
 	font: normal normal normal 14px/16px Georgia, "Times New Roman", "Bitstream Charter", Times, serif;	
 	text-decoration: none;
 	text-shadow: #fff 0 1px 0px;
-	-webkit-text-shadow: #fff 0 1px 0px;
-	-moz-text-shadow: #fff 0 1px 0px;
-	-o-text-shadow: #fff 0 1px 0px;
 }
 
 .pressthis a:hover,
@@ -3952,6 +3940,7 @@
 	transform: skew(20deg) rotate(9deg);
 	-webkit-transform: skew(20deg) rotate(9deg);
 	-moz-transform: skew(20deg) rotate(9deg);
+	-o-transform: skew(20deg) rotate(9deg);
 	box-shadow: 0 10px 8px rgba(0, 0, 0, 0.7); 
 	-webkit-box-shadow: 0 10px 8px rgba(0, 0, 0, 0.7); 
 	-moz-box-shadow: 0 10px 8px rgba(0, 0, 0, 0.7); 
@@ -3975,9 +3964,10 @@
 	transform: skew(20deg) rotate(6deg);
 	-webkit-transform: skew(20deg) rotate(6deg);
 	-moz-transform: skew(20deg) rotate(6deg);
+	-o-transform: skew(20deg) rotate(6deg);
 	box-shadow: 0 10px 8px rgba(0, 0, 0, 0.6); 
 	-webkit-box-shadow: 0 10px 8px rgba(0, 0, 0, 0.6); 
-	-moz-box-shadow: 0 10px 8px rgba(0, 0, 0, 0.6); 
+	-moz-box-shadow: 0 10px 8px rgba(0, 0, 0, 0.6);
 }