diff -r 2f6f6f7551ca -r 32102edaa81b web/wp-includes/js/tinymce/themes/advanced/skins/wp_theme/dialog.css
--- a/web/wp-includes/js/tinymce/themes/advanced/skins/wp_theme/dialog.css	Thu Sep 16 15:45:36 2010 +0000
+++ b/web/wp-includes/js/tinymce/themes/advanced/skins/wp_theme/dialog.css	Mon Nov 19 18:26:13 2012 +0100
@@ -35,13 +35,17 @@
 	font-size: 11px;
 	width:94px; 
 	height:24px;
-	background:url(img/fade-butt.png) 0 0;
 	color:#000;
 	cursor:pointer;
-	-moz-border-radius: 3px;
-	-khtml-border-radius: 3px;
 	-webkit-border-radius: 3px;
 	border-radius: 3px;
+	background-color: #eee; /* Fallback */
+	background-image: -ms-linear-gradient(bottom, #ddd, #fff); /* IE10 */
+	background-image: -moz-linear-gradient(bottom, #ddd, #fff); /* Firefox */
+	background-image: -o-linear-gradient(bottom, #ddd, #fff); /* Opera */
+	background-image: -webkit-gradient(linear, left bottom, left top, from(#ddd), to(#fff)); /* old Webkit */
+	background-image: -webkit-linear-gradient(bottom, #ddd, #fff); /* new Webkit */
+	background-image: linear-gradient(bottom, #ddd, #fff); /* proposed W3C Markup */
 }
 #insert:hover, #cancel:hover, input.mceButton:hover, .updateButton:hover,
 #insert:focus, #cancel:focus, input.mceButton:focus, .updateButton:focus {
@@ -114,4 +118,4 @@
 #colorpicker #namedcolors {width:150px;}
 #colorpicker #namedcolors a {display:block; float:left; width:10px; height:10px; margin:1px 1px 0 0; overflow:hidden;}
 #colorpicker #colornamecontainer {margin-top:5px;}
-#colorpicker #picker_panel fieldset {margin:auto;width:325px;}
\ No newline at end of file
+#colorpicker #picker_panel fieldset {margin:auto;width:325px;}