I visited https://gaming.stackexchange.com/questions/tagged/team-fortress-2 and couldn't find the Unanswered tab:
This appears to be a problem where the tabs are long enough that they get pushed onto an invisible next line, which I can actually drag-select to cause to scroll:
The tabs also reappear at certain browser zoom levels, again suggesting that they're just barely too long.
- Tested in current Safari and Chrome on Mac OS X.
- Occurs on all tags that currently have 1 featured question.