You can set an image to be used as the border around your menu. Code:
<script type="text/javascript" src="./MyMenu1/MyMenu1.js"></script>
<div id="MyMenu1"></div>

<style type="text/css">
.ImageBorder
{
    border:solid 26px transparent;
    -webkit-border-image: url(./Images/Border.png) 30 round;
    -o-border-image: url(./Images/Border.png) 30 round;
    border-image: url(./Images/Border.png) 30 round;

    background-color:#C2C2C2;
}
</style>

<script type="text/javascript">
    dm.ApplyCSS('MyMenu1','ImageBorder');
</script>


Created by Menu Generator