fix #3620

diff --git a/inc/ws/Util/html5/master/class.ws.html5.links.php b/inc/ws/Util/html5/master/class.ws.html5.links.php
index 543defd3a88ed988fa0781f0b632e0e944422599..2ece6d62b89321ec36c42fdf18e9fa6e64a42127 100644 (file)
--- a/inc/ws/Util/html5/master/class.ws.html5.links.php
+++ b/inc/ws/Util/html5/master/class.ws.html5.links.php
@@ -723,6 +723,11 @@ class contentLink extends wsHTML5Link
         }
         return $variables;
     }
+
+    public function getCSSZIndex()
+    {
+        return '';
+    }
 }
 
 class eventOverlayLink extends wsHTML5Link