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Hiding Horizontal Tabs (Teee Style Tab)

A.G.B
A.G.B
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I recently downloaded Tree Style Tab. I still see the horizontal tab bar. I would like to hide it. However, I have tried just about every answer I could find on Mozilla, Google, Reddit, and any other websites that offered solutions. Nothing has worked since the last update. This includes the "type in about:config, toggle to true, open profile folder, create userChrome.css file, copy and paste xyz code, save, and restart Firefox" route.

Any help would be greatly appreciated!

I recently downloaded Tree Style Tab. I still see the horizontal tab bar. I would like to hide it. However, I have tried just about every answer I could find on Mozilla, Google, Reddit, and any other websites that offered solutions. Nothing has worked since the last update. This includes the "type in about:config, toggle to true, open profile folder, create userChrome.css file, copy and paste xyz code, save, and restart Firefox" route. Any help would be greatly appreciated!

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jscher2000 - Support Volunteer
jscher2000 - Support Volunteer
  • Top 25 Contributor
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Hi, you are on the right track that you need a style rule in a userChrome.css file, but if your rule isn't doing anything at all, there might be a typo somewhere or the file might be in the wrong location. One thing that sometimes happens on Windows is that there ends up being a hidden .txt file extension on your userChrome.css file.

Could you double-check your steps against the steps on my page here: https://www.userchrome.org/how-create-userchrome-css.html