</body>
</html>
TWO EG:
<html>
<head>
<style>
div
{
width:100px;
height:100px;
background:blue;
transition-property:background;
transition-duration:5s;
/* Firefox 4 */
-moz-transition-property:background;
-moz-transition-duration:5s;
/* Safari and Chrome
-webkit-transition-property:background;
-webkit-transition-duration:5s;*/
transition:background 5s ease;
/* Opera */
-o-transition-property:background;
-o-transition-duration:5s;
}
div:hover
{
background:red;
}
</style>
</head>
<body>
<div></div>
<p>请把鼠标指针移动到蓝色的 div 元素上，就可以看到过渡效果。</p>
<p><b>注释：</b>本例在 Internet Explorer 中无效。</p>
</body>
</html>
