diff --git a/src/style.scss b/src/style.scss
index 3789b17..2fc0f5b 100644
--- a/src/style.scss
+++ b/src/style.scss
@@ -31,6 +31,7 @@ $width:         $button-size - 2*$padding-hor;
         vertical-align: middle;
 
         &:hover {
+            border: none;
             cursor: pointer;
             opacity: .7;
         }