Checkboxradio: Changed fallback radio icon background color

Author: jaspermdegroot

themes/base/checkboxradio.css

@@ -22,7 +22,7 @@
 	border-radius: 1em;
 	overflow: visible;
 	border: none;
-	background-color: rgb( 0, 0, 0 );
+	background-color: rgb( 192, 192, 192 );
 	background-color: rgba( 0, 0, 0, .3 );
 	opacity: .3;
 }