message: Button: reduce unnecessary styles
diff: @@ -23,7 +23,7 @@ $button-primary-border-color: #0a0;
  $button-default-color: $c-black;
  $button-default-background-color: $c-white;
  -$button-default-border-color: #bbb;
  +$button-default-border-color: #ccc;
  $button-danger-color: $c-white;
  $button-danger-background-color: #f44;
  