Board Thread:Support Requests - Getting Technical/@comment-26325439-20160122205737

Hi i currently have a background, with the code

{| id="w" width="100%" style="background: transparent; "
 * valign="top" width="50%" style="background: black; border: 8px solid #DBDBDB; .5em 1em; -moz-border-radius: 1em"|

How do you add ANOTHER border??? 