Ticket #19853: 19853.delegateDetails.diff

wp-admin/js/theme-preview.dev.js

@@ -55 +55 @@
         } );
 
         // Theme details
-        $('.theme-detail').click(function () {
+        $('#availablethemes').on( 'click', 'a.theme-detail', function (event) {
                 $(this).siblings('.themedetaildiv').toggle();
                 return false;
-        });
+        } );
 
 });