animate.css/source/zooming_entrances/zoomInLeft.css

@keyframes zoomInLeft {
  from {
    opacity: 0;
    transform: scale3d(0.1, 0.1, 0.1) translate3d(-1000px, 0, 0);
    animation-timing-function: cubic-bezier(0.55, 0.055, 0.675, 0.19);
  }

  60% {
    opacity: 1;
    transform: scale3d(0.475, 0.475, 0.475) translate3d(10px, 0, 0);
    animation-timing-function: cubic-bezier(0.175, 0.885, 0.32, 1);
  }
}

.zoomInLeft {
  animation-name: zoomInLeft;
}