web-dev/fast-api/bower_components/animate.css/source/sliding_entrances/slideInDown.css

@keyframes slideInDown {
  0% {
    transform: translate3d(0, -100%, 0);
    visibility: visible;
  }

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

.slideInDown {
  animation-name: slideInDown;
}