Ticket #21685: 21685.2.diff

wp-content/themes/twentytwelve/js/theme-customizer.js

@@ -21 +21 @@
         // Hook into background color change and adjust body class value as needed.
         wp.customize( 'background_color', function( value ) {
                 value.bind( function( to ) {
-                        if ( '#ffffff' == to || '#fff' == to || '' == to )
+                        if ( '#ffffff' == to || '#fff' == to )
                                 $( 'body' ).addClass( 'custom-background-white' );
                         else if ( '' == to )
                                 $( 'body' ).addClass( 'custom-background-empty' );