diff --git a/userChrome.css b/userChrome.css
index b8dda9f..3a204b6 100644
--- a/userChrome.css
+++ b/userChrome.css
@@ -1020,7 +1020,7 @@
     display: none;
   }
 
-  .tab-icon-image {
+  .tab-icon-image, .tab-sharing-icon-overlay {
     box-sizing: content-box;
     padding: 3px 0;