Compass/compass

// Appearance
@import "compass/support";

// Change the appearance for Mozilla, Webkit and possibly the future.
// The appearance property is currently not present in any newer CSS specification.
//
// There is no official list of accepted values, but you might check these source:
//
//   * [Mozilla](https://developer.mozilla.org/en/CSS/-moz-appearance)
//   * [Webkit](http://code.google.com/p/webkit-mirror/source/browse/Source/WebCore/css/CSSValueKeywords.in?spec=svnf1aea559dcd025a8946aa7da6e4e8306f5c1b604&r=63c7d1af44430b314233fea342c3ddb2a052e365)
//     (search for 'appearance' within the page)
@mixin appearance($appearance) {
  // There is no caniuse tracking for appearance.
  $appearance: unquote($appearance);
  @include with-prefix(-moz)    {    -moz-appearance: $appearance; }
  @include with-prefix(-webkit) { -webkit-appearance: $appearance; }
}