Index: wp-admin/css/colors-classic.dev.css
===================================================================
--- wp-admin/css/colors-classic.dev.css	(revision 18228)
+++ wp-admin/css/colors-classic.dev.css	(working copy)
@@ -899,8 +899,13 @@
 /* editors */
 #quicktags {
 	border-color: #cfdfe9;
-	background-color: #cfdfe9;
-	background-image: url("../images/ed-bg-vs.gif?ver=20101102");
+	background-color: #EFF8FF; /* fallback */
+	background-image: -ms-linear-gradient(top, #EFF8FF 0%, #CFDFE9 100%);/* IE10 */
+	background-image: -moz-linear-gradient(top, #EFF8FF 0%, #CFDFE9 100%);/* Firefox */
+	background-image: -o-linear-gradient(top, #EFF8FF 0%, #CFDFE9 100%);/* Opera */
+	background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0, #EFF8FF), color-stop(1, #CFDFE9));/* old Webkit */
+	background-image: -webkit-linear-gradient(top, #EFF8FF 0%, #CFDFE9 100%);/* new Webkit */
+	background-image: linear-gradient(top, #EFF8FF 0%, #CFDFE9 100%);/* proposed W3C Markup */
 }
 
 #ed_toolbar input {
@@ -1149,7 +1154,13 @@
 }
 
 .wp_themeSkin tr.mceFirst td.mceToolbar {
-	background: #cfdfe9 url("../images/ed-bg-vs.gif?ver=20101102") repeat-x scroll left top;
+	background-color: #EFF8FF; /* Fallback */
+	background-image: -ms-linear-gradient(top, #EFF8FF 0%, #CFDFE9 100%);/* IE10 */
+	background-image: -moz-linear-gradient(top, #EFF8FF 0%, #CFDFE9 100%);/* Firefox */
+	background-image: -o-linear-gradient(top, #EFF8FF 0%, #CFDFE9 100%);/* Opera */
+	background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0, #EFF8FF), color-stop(1, #CFDFE9));/* old Webkit */
+	background-image: -webkit-linear-gradient(top, #EFF8FF 0%, #CFDFE9 100%);/* new Webkit */
+	background-image: linear-gradient(top, #EFF8FF 0%, #CFDFE9 100%);/* proposed W3C Markup */
 	border-color: #cfdfe9;
 }
 
Index: wp-admin/css/colors-fresh.dev.css
===================================================================
--- wp-admin/css/colors-fresh.dev.css	(revision 18228)
+++ wp-admin/css/colors-fresh.dev.css	(working copy)
@@ -899,8 +899,13 @@
 /* editors */
 #quicktags {
 	border-color: #ccc;
-	background-color: #dfdfdf;
-	background-image: url("../images/ed-bg.gif");
+	background-color: #E9E9E9; /* fallback */
+	background-image: -ms-linear-gradient(top, #E9E9E9 0%, #DFDFDF 100%);/* IE10 */
+	background-image: -moz-linear-gradient(top, #E9E9E9 0%, #DFDFDF 100%);/* Firefox */
+	background-image: -o-linear-gradient(top, #E9E9E9 0%, #DFDFDF 100%);/* Opera */
+	background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0, #E9E9E9), color-stop(1, #DFDFDF));/* old Webkit */
+	background-image: -webkit-linear-gradient(top, #E9E9E9 0%, #DFDFDF 100%);/* new Webkit */
+	background-image: linear-gradient(top, #E9E9E9 0%, #DFDFDF 100%);/* proposed W3C Markup */
 }
 
 #ed_toolbar input {
@@ -1149,7 +1154,13 @@
 }
 
 .wp_themeSkin tr.mceFirst td.mceToolbar {
-	background: #dfdfdf url("../images/ed-bg.gif") repeat-x scroll left top;
+	background-color: #E9E9E9; /* fallback */
+	background-image: -ms-linear-gradient(top, #E9E9E9 0%, #DFDFDF 100%);/* IE10 */
+	background-image: -moz-linear-gradient(top, #E9E9E9 0%, #DFDFDF 100%);/* Firefox */
+	background-image: -o-linear-gradient(top, #E9E9E9 0%, #DFDFDF 100%);/* Opera */
+	background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0, #E9E9E9), color-stop(1, #DFDFDF));/* old Webkit */
+	background-image: -webkit-linear-gradient(top, #E9E9E9 0%, #DFDFDF 100%);/* new Webkit */
+	background-image: linear-gradient(top, #E9E9E9 0%, #DFDFDF 100%);/* proposed W3C Markup */
 	border-color: #ccc;
 }