源代码 ：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>开源教程(ossoft.cn)</title> <style> div { width:100px; height:100px; background:red; animation:myfirst 5s; -webkit-animation:myfirst 5s; /* Safari and Chrome */ } @keyframes myfirst { from {background:red;} to {background:yellow;} } @-webkit-keyframes myfirst /* Safari and Chrome */ { from {background:red;} to {background:yellow;} } </style> </head> <body> <p><b>注意:</b> 该实例在 Internet Explorer 9 及更早 IE 版本是无效的。</p> <div></div> </body> </html>
运行结果