Index: wp-admin/css/colors-classic.dev.css
===================================================================
--- wp-admin/css/colors-classic.dev.css	(revision 17693)
+++ wp-admin/css/colors-classic.dev.css	(working copy)
@@ -570,9 +570,13 @@
 #footer {
 	color: #777;
 	border-color: #b0c8d7;
-	background: #cfdfe9; /* fallback color */
-	background:-moz-linear-gradient(bottom,  #cfdfe9,  #eff8ff);
-	background:-webkit-gradient(linear, left bottom, left top, from(#cfdfe9), to(#eff8ff));
+	background-color: #cfdfe9; /* Fallback */
+	background-image: -ms-linear-gradient(bottom, #cfdfe9, #eff8ff); /* IE10 */ 
+	background-image: -moz-linear-gradient(bottom, #cfdfe9, #eff8ff); /* Firefox */ 
+	background-image: -o-linear-gradient(bottom, #cfdfe9, #eff8ff); /* Opera */ 
+	background-image: -webkit-gradient(linear, left bottom, left top, from(#cfdfe9), to(#eff8ff)); /* old Webkit  */ 
+	background-image: -webkit-linear-gradient(bottom, #cfdfe9, #eff8ff); /* new Webkit */ 
+	background-image: linear-gradient(bottom, #cfdfe9, #eff8ff); /* proposed W3C Markup */
 }
 
 #media-items,
@@ -696,9 +700,13 @@
 
 #wphead {
 	border-bottom:#b0c8d7 1px solid;
-	background: #cfdfe9; /* fallback color */
-	background:-moz-linear-gradient(bottom,  #cfdfe9,  #eff8ff);
-	background:-webkit-gradient(linear, left bottom, left top, from(#cfdfe9), to(#eff8ff));
+	background-color: #cfdfe9; /* Fallback */
+	background-image: -ms-linear-gradient(bottom, #cfdfe9, #eff8ff); /* IE10 */ 
+	background-image: -moz-linear-gradient(bottom, #cfdfe9, #eff8ff); /* Firefox */ 
+	background-image: -o-linear-gradient(bottom, #cfdfe9, #eff8ff); /* Opera */ 
+	background-image: -webkit-gradient(linear, left bottom, left top, from(#cfdfe9), to(#eff8ff)); /* old Webkit  */ 
+	background-image: -webkit-linear-gradient(bottom, #cfdfe9, #eff8ff); /* new Webkit */ 
+	background-image: linear-gradient(bottom, #cfdfe9, #eff8ff); /* proposed W3C Markup */
 }
 
 #wphead h1 a {
@@ -1488,9 +1496,13 @@
 
 #favorite-first {
 	border-color: #c0c0c0;
-	background: #f1f1f1; /* fallback color */
-	background:-moz-linear-gradient(bottom,  #e7e7e7,  #fff);
-	background:-webkit-gradient(linear, left bottom, left top, from(#e7e7e7), to(#fff));
+	background-color: #f1f1f1; /* Fallback */
+	background-image: -ms-linear-gradient(bottom, #e7e7e7, #fff); /* IE10 */ 
+	background-image: -moz-linear-gradient(bottom, #e7e7e7, #fff); /* Firefox */ 
+	background-image: -o-linear-gradient(bottom, #e7e7e7, #fff); /* Opera */ 
+	background-image: -webkit-gradient(linear, left bottom, left top, from(#e7e7e7), to(#fff)); /* old Webkit  */ 
+	background-image: -webkit-linear-gradient(bottom, #e7e7e7, #fff); /* new Webkit */ 
+	background-image: linear-gradient(bottom, #e7e7e7, #fff); /* proposed W3C Markup */
 }
 
 #favorite-inside {
Index: wp-admin/css/colors-fresh.dev.css
===================================================================
--- wp-admin/css/colors-fresh.dev.css	(revision 17693)
+++ wp-admin/css/colors-fresh.dev.css	(working copy)
@@ -570,9 +570,13 @@
 #footer {
 	color: #777;
 	border-color: #d1d1d1;
-	background: #d9d9d9; /* fallback color */
-	background:-moz-linear-gradient(bottom,  #d7d7d7,  #e4e4e4);
-	background:-webkit-gradient(linear, left bottom, left top, from(#d7d7d7), to(#e4e4e4));
+	background-color: #d9d9d9; /* Fallback */
+	background-image: -ms-linear-gradient(bottom, #d7d7d7, #e4e4e4); /* IE10 */ 
+	background-image: -moz-linear-gradient(bottom, #d7d7d7, #e4e4e4); /* Firefox */ 
+	background-image: -o-linear-gradient(bottom,  #d7d7d7, #e4e4e4); /* Opera */ 
+	background-image: -webkit-gradient(linear, left bottom, left top, from(#d7d7d7), to(#e4e4e4)); /* old Webkit  */ 
+	background-image: -webkit-linear-gradient(bottom, #d7d7d7, #e4e4e4); /* new Webkit */ 
+	background-image: linear-gradient(bottom, #d7d7d7, #e4e4e4); /* proposed W3C Markup */
 }
 
 #media-items,
@@ -696,9 +700,13 @@
 
 #wphead {
 	border-bottom:#c6c6c6 1px solid;
-	background: #d9d9d9; /* fallback color */
-	background:-moz-linear-gradient(bottom,  #d7d7d7,  #e4e4e4);
-	background:-webkit-gradient(linear, left bottom, left top, from(#d7d7d7), to(#e4e4e4));
+	background-color: #d9d9d9; /* Fallback */
+	background-image: -ms-linear-gradient(bottom, #d7d7d7, #e4e4e4); /* IE10 */ 
+	background-image: -moz-linear-gradient(bottom, #d7d7d7, #e4e4e4); /* Firefox */ 
+	background-image: -o-linear-gradient(bottom, #d7d7d7, #e4e4e4); /* Opera */ 
+	background-image: -webkit-gradient(linear, left bottom, left top, from(#d7d7d7), to(#e4e4e4)); /* old Webkit  */ 
+	background-image: -webkit-linear-gradient(bottom, #d7d7d7, #e4e4e4); /* new Webkit */ 
+	background-image: linear-gradient(bottom, #d7d7d7, #e4e4e4); /* proposed W3C Markup */
 }
 
 #wphead h1 a {
@@ -1483,9 +1491,13 @@
 
 #favorite-first {
 	border-color: #c0c0c0;
-	background: #f1f1f1; /* fallback color */
-	background:-moz-linear-gradient(bottom,  #e7e7e7,  #fff);
-	background:-webkit-gradient(linear, left bottom, left top, from(#e7e7e7), to(#fff));
+	background-color: #f1f1f1; /* Fallback */
+	background-image: -ms-linear-gradient(bottom, #e7e7e7, #fff); /* IE10 */ 
+	background-image: -moz-linear-gradient(bottom, #e7e7e7, #fff); /* Firefox */ 
+	background-image: -o-linear-gradient(bottom,  #e7e7e7, #fff); /* Opera */ 
+	background-image: -webkit-gradient(linear, left bottom, left top, from(#e7e7e7), to(#fff)); /* old Webkit  */ 
+	background-image: -webkit-linear-gradient(bottom, #e7e7e7, #fff); /* new Webkit */ 
+	background-image: linear-gradient(bottom, #e7e7e7, #fff); /* proposed W3C Markup */
 }
 
 #favorite-inside {