diff --git a/_less/screen.less b/_less/screen.less
index bccae689..a64573cf 100644
--- a/_less/screen.less
+++ b/_less/screen.less
@@ -1358,6 +1358,7 @@ table td,table th{
 	position:relative;
 	margin:0 14px 20px 14px;
 	white-space:nowrap;
+	outline:0;
 	-moz-transition:opacity 400ms ease-out;
 	-webkit-transition:opacity 400ms ease-out;
 	transition:opacity 400ms ease-out;