Board Thread:Support Requests - Getting Technical/@comment-24789339-20150511235014/@comment-452-20150512125146

So, then:
 * 1) Right click on the space, and open your browser inspector
 * 2) Locate and copy the CSS selector and property which is causing that space
 * 3) Paste the CSS selector in your CSS, and set the property to 0
 * 4) The space is now gone

In this case, it's a little complicated: div.tabberlive { margin-top: 0; } ul.tabbernav { margin: .4em 0 .5em 2.5em; /* restores default */ }