Merge pull request #733 from joseluis/patch-1

removed outline chrome adds to buttons

library/scss/modules/_buttons.scss

@@ -44,6 +44,7 @@ http://www.youtube.com/watch?v=hwdVpKiJzac
   &:hover, &:focus {
     color: $white;
     text-decoration: none;
+    outline: none;
   } // end hover
 
   // clicking on the button