I don't think we want the scroll bars on https://tex.stackexchange.com/tags?tab=new to be there:
(I decreased the text size slightly to make the entire area fit my laptop screen, but the behavior remains at 100% text zoom.)
I'm using Firefox 10.0 on Windows 7 and in case it matters, my screen has a resolution of 1366x768.
- See my comment to Martin Schröder.
- This problem also occurs in Safari 5.1.2 on Windows 7 (where I don't think I have any add-ons).