animate.css/source/fading_entrances/fadeInDownBig.css

@keyframes fadeInDownBig {
  0% {
    opacity: 0;
    transform: translateY(-2000px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.fadeInDownBig {
  animation-name: fadeInDownBig;
}