I have pretty bad eyesight, so I make use of the Safari ability to scale fonts up using CMD+PLUS. however, in the new version of VersionTracker, everything goes out of whack when you scale fonts up (especially the tab bar at the top).

This is poor accessibility, especially considering that these sorts of problems could be solved by using valid CSS to describe page layout, rather than some of the cludgy hacks being used by the versiontracker team at the moment.