WebContent/VAADIN/themes/valo/util/_css3.scss


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@mixin opacity ($o) {
  opacity: $o;

  $value: first-number($o);
  @if $value < 1 {
    filter: alpha(opacity=$value*100) remove-nth($o, 1);
  } @else {
    filter: none remove-nth($o, 1);
  }
}

// -webkit-box-shadow still needed for Android 2.3 and 3.0, as well as iOS 5
@mixin box-shadow ($shadows...) {
  @include prefixer(box-shadow, $shadows, webkit spec);
}