There's a certain area around tags where they will flip constantly between their normal and hover states. Please see the following video for an illustration of the issue:

enter image description here

This is in Chrome stable in case it makes a difference.

Repro: Test

  • 8
    Weeeeeeeeeeeeeeeeeeeeeeee...hours of fun.
    – Bart
    Feb 27, 2013 at 14:31
  • hmm, doesn't behave like that in any of my browsers(Opera/Chrome/Mozilla/IE)
    – hjpotter92
    Feb 27, 2013 at 14:37
  • Yeah, this bugs me. tags in chat do it too. I think it varies a bit by site though. Depends if the border width changes. It doesn't work on MSO for instance
    – Ben Brocka
    Feb 27, 2013 at 14:43
  • 1
    just imagine if they had hover sound o_O
    – ajax333221
    Feb 28, 2013 at 1:40
  • Can anyone repro right now?
    – Sklivvz
    Jan 30, 2014 at 11:33
  • @Sklivvz: I can't Jan 30, 2014 at 12:15
  • @Sklivvz I can, the CSS doesn't appear to have changed since I described the problem in my answer.
    – Tim Stone
    Jan 30, 2014 at 13:33
  • 1
    @Sklivvz: Oh, right. This only applied to tags in posts, not below them. At least that's how it is for me right now. So, yeah, as Tim says, problem is still there. Jan 30, 2014 at 13:36
  • 2
    Weeeeeeeeeeeeeeeeeeeeeeee...hours of fun.
    – Sklivvz
    Jan 30, 2014 at 13:38

2 Answers 2


This has been fixed and will be out in rev. 1340.

  • 1
    Crazy flipping mouse cursor, you will be missed. Jan 30, 2014 at 16:03

Yeah, on Super User .post-text a:hover's border-bottom: 1px #6C0000 dotted; is more specific than the border defined for .post-text .post-tag, and the variation in border definitions causes it to flip back and forth between the hover and non-hover states.

Tweaking the selector/adding the border definition to the .post-text a.post-tag:hover style should fix things.

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