.box{background-color:#08b9437c;animation-name:bounce;animation-duration:2s;animation-iteration-count:infinite;animation-timing-function:ease-in-out}.box1{animation-delay:0s}.box2{animation-delay:.5s}.box3{animation-delay:1s}@keyframes bounce{0%,20%,50%,80%,to{transform:translateY(0)}40%{transform:translateY(-30px)}60%{transform:translateY(-15px)}}