<!DOCTYPE html>
<html>
<head>
<style>
#grad1 {
    height: 150px;
    width: 200px;
    background: -webkit-repeating-radial-gradient(red, yellow 10%, green 15%); /* For Safari 5.1 to 6.0 */
    background: -o-repeating-radial-gradient(red, yellow 10%, green 15%); /* For Opera 11.6 to 12.0 */
    background: -moz-repeating-radial-gradient(red, yellow 10%, green 15%); /* For Firefox 3.6 to 15 */
    background: repeating-radial-gradient(red, yellow 10%, green 15%); /* Standard syntax (must be last) */
}
</style>
</head>
<body>

<h3>Repeating Radial Gradient</h3>

<div id="grad1"></div>

<p><strong>Note:</strong> Internet Explorer 9 and earlier versions do not support gradients.</p>

</body>
</html>

Repeating Radial Gradient

Note: Internet Explorer 9 and earlier versions do not support gradients.