animashki

HTML

<div></div>

CSS

div {
    width:20px;
    height:20px;
    background-color:#f00;
    animation:bounceInDown 1s;
    transform: translateY(100px);
    
}
@keyframes bounceInDown {
  from, 60%, 75%, 90%, to {
    animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
  }

  0% {
    opacity: 0;
    transform: translate3d(0, -3000px, 0);
  }

  60% {
    opacity: 1;
    transform: translate3d(0, 25px, 0);
  }

  75% {
    transform: translate3d(0, -10px, 0);
  }

  90% {
    transform: translate3d(0, 5px, 0);
  }

  to {
    transform: none;
  }
}