@import "compass/css3/animation";
@import "compass/css3/opacity";

$legacy-support-for-ie8: true;
$legacy-support-for-ie7: true;
$legacy-support-for-ie6: true;

@include keyframes(test) {
  0%, 100% {
    @include opacity(1);
  }
  50% {
    @include opacity(0);
  }
}

.animation {
  @include animation(test);
}