animate.css/source/zooming_entrances/zoomInLeft.css

@keyframes zoomInLeft {
  0% {
    opacity: 0;
    transform: scale(.1) translateX(-2000px);
    animation-timing-function: ease-in-out;
  }
  
  60% {
    opacity: 1;
    transform: scale(.475) translateX(48px);
    animation-timing-function: ease-out;
  }
}

.zoomInLeft {
  animation-name: zoomInLeft;
}