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If you know what you’re doing with CSS, you can enable the browser toolbox to inspect the Firefox browser’s chrome. Older userChrome.css tweaks you find online may not function on Firefox 57 and later, also known as Firefox Quantum. Guide to Editing Your Context Menu: Instructions for removing items from Firefox’s context menu and changing their order in the list, taken from the FirefoxCSS subreddit.īear in mind that older versions of Firefox had a different interface.You can search the subreddit to find other people’s tweaks, see what people are sharing, and even ask for input if you can’t find a tweak you really want. FirefoxCSS on Reddit: This subreddit is a community for discussing tweaks.userChrome Tweaks: A collection of interesting Firefox tweaks.Classic CSS Tweaks: A repository of userChrome.css tweaks from the author of the Classic Theme Restorer extension, which no longer functions on Firefox Quantum.Sample Tweaks from : A short list of interesting tweaks that demonstrate the power of userChrome.css.Here are some resources to get you started:
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If you want to make a certain change, someone else has probably already figured out how to do it and written the code. While you could create your own tweaks if you understand CSS code and how Firefox’s interface was designed, you can also just find tweaks online. Many tweaks that could previously be accomplished by browser add-ons can now only be accomplished by editing the userChrome.css file. The userChrome.css file has existed in Firefox for a long time, but it’s taken on renewed importance with Firefox Quantum. “Chrome” refers to the user interface of the web browser, which is what Google Chrome was named after. This has nothing to do with Google Chrome. You can’t actually add any features you can only modify what’s already there to change, hide, or move it. It allows you to change the appearance and layout of everything surrounding the webpage iteslf. While style sheets are normally applied to web pages, this particular style sheet is applied to Firefox’s user interface. RELATED: Firefox Quantum Isn't Just "Copying" Chrome: It's Much More Powerfulįirefox’s userChrome.css file is a cascading style sheet (CSS) file that Firefox uses.
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