diff --git a/userChrome.css b/userChrome.css
index f312095..8e3423b 100644
--- a/userChrome.css
+++ b/userChrome.css
@@ -12,6 +12,7 @@
 
     /* Panel */
     --arrowpanel-menuicon-padding: 8px;
+    --arrowpanel-menublank-padding: calc(var(--arrowpanel-menuicon-padding) * 2 + 8px);
     --arrowpanel-menuitem-margin: 0 var(--arrowpanel-menuicon-padding) !important; /* Original: 0 8px */
     --arrowpanel-menuitem-padding: 4px  !important; /* Original: 8px */
     --arrowpanel-padding:         0.8em !important; /* Original: 16px or .cui-widget-panel, .cui-widget-panel::part(arrowcontent) => 4px 0 */