animate.css/source/lightspeed/lightSpeedInLeft.css

@keyframes lightSpeedInLeft {
  from {
    transform: translate3d(-100%, 0, 0) skewX(30deg);
    opacity: 0;
  }

  60% {
    transform: skewX(-20deg);
    opacity: 1;
  }

  80% {
    transform: skewX(5deg);
  }

  to {
    transform: translate3d(0, 0, 0);
  }
}

.lightSpeedInLeft {
  animation-name: lightSpeedInLeft;
  animation-timing-function: ease-out;
}