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When you go fullscreen it hides the bar at top, but if your mouse touches top of the screen the bar reappears. Is it possible to permanently hide it?

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  • के द्वारा अंतिम प्रतियुतर cor-el

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It gets in the way when I am playing online games on Firefox, and would really like, if possible, for someone to give me a way to make it so it is permanently hid while I am full screened with f11.

It gets in the way when I am playing online games on Firefox, and would really like, if possible, for someone to give me a way to make it so it is permanently hid while I am full screened with f11.

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Add code to the userChrome.css file below the default @namespace line.


@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"); /* only needed once */

#fullscr-toggler { display: none !important; }

  • create the chrome folder (lowercase) in the <xxxxxxxx>.default profile folder if this folder doesn't exist
  • use a plain text editor like Notepad to create a (new) userChrome.css file in the chrome folder (file name is case sensitive)
  • paste the code in the userChrome.css file in the editor window
  • make sure that the userChrome.css file starts with the default @namespace line
  • make sure that you select "All files" and not "Text files" when you save the file via "Save file as" in the text editor as userChrome.css.
    otherwise Windows may add a hidden .txt file extension and you end up with a not working userChrome.css.txt file

You can use the button on the "Help -> Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the about:profiles page.