<!DOCTYPE html>
<meta charset="utf-8">
<title>border-image with different widths</title>
<style>
    #ref {
        width: 360px;
        height: 240px;
        border-style: solid;
        border-width: 40px 40px 20px 0px;
        border-image-source: url("support/border.png");
        border-image-slice: 27;
    }
</style>
<body>
    <div id="ref"></div>
</body>