Modify the code below and paste it into any section in your edit profile. EDIT only what in bold .

<style type="text/css">
body{border-style:SOLID;
border-top-width:WIDTHpx;
border-bottom-width:WIDTHpx;
border-left-width:WIDTHpx;
border-right-width:WIDTHpx;
border-color:000000;}
</style>

WIDTH: Width of border - Recommended size is 10 or 20. Each one represents the size of either the top border width, bottom, left and right. You can make each different sizes.
COLOR: Border Color - Can use text or hex values. (ex: RED or FF0000)
SOLID: Default border type - You may change it to inset, outset, dotted, dashed, or any of the ones found below.