代码如下：
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title></title> <style> *{margin: 0; padding: 0;} ul,li{list-style: none;} .container{perspective: 1300;-webkit-perspective:1300;} .boxList{position:absolute;width: 630px;height:630px;left:50%;margin-left:-315px; -webkit-transform-style: preserve-3d;transform-style: preserve-3d;/*animation: a1 2s 1;*/transition: all 2s;} .boxList li{float: left;width: 200px;height: 200px;margin:5px;background: darkcyan;-webkit-transition: all 0.3s;transition: all 0.3s;} .on li:hover{-webkit-transform: translate3d(0,0,30px);transform: translate3d(0,0,30px);background:deepskyblue;box-shadow: 30px 30px 10px rgba(0, 0, 0, 0.5);} .on{webkit-transform: rotateX(75deg) rotateY(0deg) rotateZ(45deg);transform: rotateX(75deg) rotateY(0deg) rotateZ(45deg);} </style> </head> <body> <div> <ul> <li></li> <li></li> <li></li> <li></li> <li></li> <li></li> <li></li> <li></li> <li></li> </ul> </div> </body> <script> var list=document.querySelector('.boxList'); window.onload=function(){ setInterval(transition,1000) } function transition(){ list.className='on boxList'; } </script> </html>