Board Thread:Support Requests - Getting Technical/@comment-3168131-20130118195946/@comment-5209426-20130124075254

You can move "to the right" with a negative right margin: " ". Of course, that's also where the right rail is, and obscuring that, especially the ads in it, is against the rules.

That said, CzechOut is right though. If you're trying to add an image to the infobox then just add it to the infobox. What you're doing is extremely fragile, especially since the infobox can become wider and narrower on different pages depending on the content of it. If you want that image perfectly centered then it will need to be inside it.