.fadeOutDown {
  -webkit-animation-name: fadeOutDown;
  animation-name: fadeOutDown;
}

@include keyframes(fadeOutDown) {
  0% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    -webkit-transform: translate3d(0, 100%, 0);
    transform: translate3d(0, 100%, 0);
  }
}