this post was submitted on 02 Jan 2024
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Firefox

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How to hide element using userChrome? (lemmy.world)
submitted 10 months ago by Hercules@lemmy.world to c/firefox@lemmy.ml
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Hellow, im trying to hide some element in firefox using userChrome. In perticular on left the the "View recent browsing accross windows and devices" how could i do that? Or what is a good resource to know how to learn this myself?

Thank for your time and have a nice day!

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[โ€“] BestBouclettes@jlai.lu 1 points 10 months ago (1 children)

I believe userChrome is deprecated and won't be read by Firefox anymore. I don't know if there is a replacement though.

[โ€“] Ephera@lemmy.ml 8 points 10 months ago

You just have to set toolkit.legacyUserProfileCustomizations.stylesheets in about:config to true.

Yes, that does say "legacy", but I don't think, Mozilla cares to actually remove it. They mainly introduced that about:config flag to reduce startup time for the 99.9% of users that don't use a userChrome.css file...