View file File name : bounce.css Content :@keyframes bounce { 20%, 53%, 80%, from, to { animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1); transform: translate3d(0, 0, 0); } 40%, 43% { animation-timing-function: cubic-bezier(0.755, 0.05, 0.855, 0.06); transform: translate3d(0, -30px, 0); } 70% { animation-timing-function: cubic-bezier(0.755, 0.05, 0.855, 0.06); transform: translate3d(0, -15px, 0); } 90% { transform: translate3d(0, -4px, 0); } } .bounce { animation-name: bounce; transform-origin: center bottom; }