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Tabs on bottom

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  • Letzte Antwort von cor-el

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I upgraded to version 84.0.1 and my tabs are now on top. How do I get them back on the bottom, under the bookmarks, where I prefer them to be?

I upgraded to version 84.0.1 and my tabs are now on top. How do I get them back on the bottom, under the bookmarks, where I prefer them to be?

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Did you make sure that the file is in the correct profile folder and that the file doesn't have a hidden .txt or .css file extension and that you still have enabled this file via about:config ?

See his thread for recent code:


It is not that difficult to create userChrome.css if you have never used it.

The first step is to open the "Help -> Troubleshooting Information" page and find the button to access the profile folder.

You can find this button under the "Application Basics" section as "Profile Folder -> Open Folder". If you click this button then you open the profile folder in the Windows File Explorer. You need to create a folder with the name chrome in this folder (name is all lowercase). In the chrome folder you need to create a plain text file with the name userChrome.css (name is case sensitive). In this userChrome.css text file you paste the text posted. On Mac you can use the TextEdit utility to create the userChrome.css file as a plain text file.

In Windows saving the file is usually the only time things get more complicated because Windows can silently add a .txt file extension and you end up with a file named userChrome.css.txt. To avoid this you need to make sure to select "All files" in the dialog to save the file in the text editor using "Save File as".

You need to close (Quit/Exit) and restart Firefox when you create or modify the userChrome.css file.

See also:

In Firefox 69 and later you need to set this pref to true on the about:config page to enable userChrome.css and userContent.css in the chrome folder.

  • toolkit.legacyUserProfileCustomizations.stylesheets = true

See: