<!DOCTYPE html>charset="utf-8"W3Cschool教程(w3cschool.cn)div{width:100px;height:100px;background:red;position:relative;animation:mymove 5s infinite;animation-delay:2s;/*Safari and Chrome*/-webkit-animation:mymove 5s infinite;-webkit-animation-delay:2s;}@keyframes mymove{from {left:0px;}to {left:200px;}}@-webkit-keyframes mymove /*Safari and Chrome*/{from {left:0px;}to {left:200px;}}注意: animation-delay 属性不兼容Internet Explorer 9 以及更早版本的浏览器