diff --git a/src/static/css/pad.css b/src/static/css/pad.css
index 7a91c0b5f..1b730c3c0 100644
--- a/src/static/css/pad.css
+++ b/src/static/css/pad.css
@@ -749,6 +749,11 @@ table#otheruserstable {
   color: #666;
 }
 
+.buttonicon::-moz-focus-inner {
+  padding: 0;
+  border: 0
+}
+
 .buttonicon:focus{
   border: 1px solid #fff;
 }