<!DOCTYPE html>
<html>
<head>
<style>div {
background-color: lightgrey;
border: 30px solid transparent;
border-image: url('border.png');
border-image-slice: 30;
border-image-width: 10px;
border-image-outset: 0;
border-image-repeat: round;
}
</style>
</head>
<body>
<div id="main">
<p>This is a DIV element that uses an image as a border.</p>
</div>
<p>Click the "Try it" button to change the value of the borderImageWidth property.</p>
<button onclick="myFunction()">Try it</button>
<script>
function myFunction() {
document.getElementById("main").style.borderImageWidth = "20px 30px";
}
</script>
<p><b>Note:</b>Internet Explorer 10, Opera, and Safari 5 do not support the borderImageWidth property.</p>
</body>
</html>