<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>css3 幻燈片</title> <style type="text/css"> .ani { width: 480px; height: 320px; margin: 50px auto; overflow: hidden; box-shadow: 0 0 5px rgba(0, 0, 0, 1); background-size: cover; background-position: center; -webkit-animation-name: "loops"; -webkit-animation-duration:20s; -webkit-animation-iteration-count: infinite; } @-webkit-keyframes "loops" { 0% { background: url('img/1.jpg') no-repeat; } 25% { background: url('img/2.jpg') no-repeat; } 50% { background: url('img/3.jpg') no-repeat; } 75% { background: url('img/4.jpg') no-repeat; } 100% { background: url('img/5.jpg') no-repeat; } } </style> </head> <body> <div class="ani"> </div> </body> </html>