<!DOCTYPE html>
<html>
<head>
<style>
#grad1 {
height: 200px;
background: red; /* For browsers that do not support gradients */
background: -webkit-linear-gradient(left top, red, yellow); /* For Safari 5.1 to 6.0 */
background: -o-linear-gradient(bottom right, red, yellow); /* For Opera 11.1 to 12.0 */
background: -moz-linear-gradient(bottom right, red, yellow); /* For Firefox 3.6 to 15 */
background: linear-gradient(to bottom right, red, yellow); /* Standard syntax (must be last) */
}
</style>
</head>
<body>
<h3>Linear Gradient - Diagonal</h3>
<p>This linear gradient starts at top left. It starts red, transitioning to yellow:</p>
<div id="grad1"></div>
<p><strong>Note:</strong> Internet Explorer 9 and earlier versions do not support gradients.</p>
</body>
</html>