Board Thread:Support Requests - Getting Technical/@comment-30398052-20170520075124/@comment-26402117-20170520095125

Try putting the whole tabber inside.

Here is CSS to be able to improve the tabber design for the navbox:

To improve the whitespace treatment of the table:
 * Add  to the container navbox.
 * Add this code to your wiki's CSS, preferably MediaWiki:Common.css.