animate.css/source/zooming_entrances/zoomInDown.css

@keyframes zoomInDown {
  0% {
    opacity: 0;
    transform: scale3d(.1, .1, .1) translate3d(0, -1000px, 0);
    animation-timing-function: cubic-bezier(0.550, 0.055, 0.675, 0.190);
  }

  60% {
    opacity: 1;
    transform: scale3d(.475, .475, .475) translate3d(0, 60px, 0);
    animation-timing-function: cubic-bezier(0.175, 0.885, 0.320, 1);
  }
}

.zoomInDown {
  animation-name: zoomInDown;
}