.rotateLeft {
  -webkit-animation-name: rotateLeft;
  animation-name: rotateLeft;
}
@-webkit-keyframes rotateLeft {
  0% {
    opacity: 1;
    -webkit-transform-origin: 0 0;
    transform-origin: 0 0;
    -webkit-transform: perspective(800px) rotateY(0deg) translateZ(0px);
    transform: perspective(800px) rotateY(0deg) translateZ(0px);
  }

  100% {
    opacity: 0;
    -webkit-transform-origin: 50% 0;
    transform-origin: 50% 0;
    -webkit-transform: perspective(800px) rotateY(-180deg) translateZ(300px);
    transform: perspective(800px) rotateY(-180deg) translateZ(300px);
  }
}
@keyframes rotateLeft {
  0% {
    opacity: 1;
    -webkit-transform-origin: 0 0;
    transform-origin: 0 0;
    -webkit-transform: perspective(800px) rotateY(0deg) translateZ(0px);
    transform: perspective(800px) rotateY(0deg) translateZ(0px);
  }

  100% {
    opacity: 0;
    -webkit-transform-origin: 50% 0;
    transform-origin: 50% 0;
    -webkit-transform: perspective(800px) rotateY(-180deg) translateZ(300px);
    transform: perspective(800px) rotateY(-180deg) translateZ(300px);
  }
}