@include u-keyframes(popIn) {
  0% {
    @include u-transform(scale(0.25) translateZ(0));
    opacity: 0;
  }
  100% {
    opacity: 1;
    @include u-transform(scale(1));
  }
}

@mixin popIn($duration: 0.5s, $delay: 0s, $fill-mode: forwards) {
  @include u-animation(popIn $duration $delay $fill-mode);
}
