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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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[–] Ephera@lemmy.ml 6 points 10 months ago

If you still want to learn it, these two articles are good:

Complete basics for how to use userChrome.css: https://www.userchrome.org/how-create-userchrome-css.html
How to add own rules: https://www.userchrome.org/adding-style-recipes-userchrome-css.html

The video in the second article is important. Near the end of the video, they show the Browser Toolbox. With that, you can select a UI element in Firefox's UI to find out what the element's ID is. You will need the ID for writing the rule.