<html>
<head>
<style>
#grad1 {
height: 150px;
width: 200px;
background: -webkit-repeating-radial-gradient(red, yellow 10%, green 15%); /* Safari 5.1 - 6.0 */
background: -o-repeating-radial-gradient(red, yellow 10%, green 15%); /* Opera 11.6 - 12.0 */
background: -moz-repeating-radial-gradient(red, yellow 10%, green 15%); /* Firefox 3.6 - 15 */
background: repeating-radial-gradient(red, yellow 10%, green 15%); /* 标准的语法（必须放在最后） */
}
</style>
</head>
<body>
<h3>重复的径向渐变</h3>
<div id="grad1"></div>
<p><strong>注意：</strong> Internet Explorer 9 及之前的版本不支持渐变。</p>
</body>
</html>