Full Screen Border
Open firefox browser in fullscreen mode
1830721 - firefox nightly fullscreen has borders around all sides when using userChrome.css -moz-appearance,release version has not. 1830681 - Fullscreen mode has padding, doesn't occupy the whole screen
118.0.2 (64) linuxmint flatpak
its in the pref.js that i added https://github.com/arkenfox/user.js but slightly edited.
EDIT:
went to Arkenfox/user.js github to troubleshoot
Wót Shortler
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