video {
  width: 0;
  height: 0;
  overflow: hidden;
  opacity: 0;
}

@keyframes fadeInLeftBig {
  0% {
    opacity: 0;
    -webkit-transform: translate3d(-100px, 0, 0);
    transform: translate3d(-100px, 0, 0);
  }
  100% {
    opacity: 1;
    -webkit-transform: none;
    transform: none;
  }
}