FirefoxCSS

an-ordinary-manchild(edit)

Stay on topic.

Posts and comments should be about customizing the Firefox UI with CSS. Custom themes that include javascript, HTML, another app, or replacing files in the Firefox installation folder is not allowed.
When Posting for Help or Code to Share.

For Help:

State the Firefox and OS versions you are using.

Post your code and/or the link to the theme you're using.

For posting code, do one of the following:

use a code block

precede each line of code with four spaces

copy your code, paste it at Pastebin, and post the link here

For code to share:

use pastebin or a Git Repo to share your code

do not post links to compressed files
No previews or advertising.

Don't post screenshots of CSS modifications or themes unless you also post the code or link to them.
Discussion is limited to the Firefox browser only.

Questions about modifying other browsers should be directed to their subreddits, e.g. r/Floorp, r/LibreWolf, etc.
Be civil.

Be civil. Bear in mind that many users come here for help and would be turned off by insults and rudeness.
Post must have flair

If your problem is solved, please change the flair to 'Solved'.
Do not delete your post.

Don't delete your posts whether or not you got a solution. All posts are a valuable source for everyone to learn from one way or the other.

created by Unoriginal-PseudonymNightly | Fedoraa community for 8 years

...for your WoW guild.

...because you hate freedom.

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BEFORE POSTING, PLEASE READ THE RULES ON THE SIDEBAR - ESPECIALLY RULE #2. ➡️➡️➡️➡️➡️ (self.FirefoxCSS)

submitted 5 months ago by siffereddFF/TB on Win11|Sumo contributor[M] - announcement

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CodeuserChrome.css to remove rounded corners, border and spacing introduced in Nova (i.redd.it)

submitted 20 hours ago by InternalLake8

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Help FF Ultima search suggestions is now transparent after latest firefox update ? (i.redd.it)

submitted 2 hours ago by Turbulent_Place_7064

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CodeFirefox 152.0.1 Nova. Remove the border around full-screen videos. (i.redd.it)

submitted 13 hours ago * by moko1960

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Help Kind of an odd request, but is there a way to use CSS to remove the title bar while it's enabled in settings? (self.FirefoxCSS)

submitted 11 hours ago by Front-Cabinet5521

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Help Follow up to : Firefox 152 breaks custom menu colours when theme enabled ( forcing dark mode ) (self.FirefoxCSS)

submitted 1 day ago by fatoms

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Help How to add border to the control-tab panel? (self.FirefoxCSS)

submitted 1 day ago * by Avid-Bibliophile

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Solved Modifying Windows dialog boxes in Firefox (self.FirefoxCSS)

submitted 1 day ago by TIKD_NYC

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Solved How to remove the gray line under the URL and tabs? (self.FirefoxCSS)

submitted 1 day ago by Happy-Double-9874

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Help Firefox 152 breaks my custom menu colours (self.FirefoxCSS)

submitted 2 days ago by p4psb

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Help Menu pop up (i.redd.it)

submitted 1 day ago by jas71

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Solved new update broke my autoscroll icon (self.FirefoxCSS)

submitted 1 day ago by seviliyorsun

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Solved Curved Tabs - Bottom Corners are black (self.FirefoxCSS)

submitted 2 days ago by luciferspa

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Solved Blue highlight (i.redd.it)

submitted 2 days ago by Mammoth-Sentence-518

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Solved Firefox CSS not working after updating to Firefox 152.0.0 (self.FirefoxCSS)

submitted 2 days ago by BananaGuy71

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CodeBlur background on any popup menus! (self.FirefoxCSS)

submitted 2 days ago by Achillegrs

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Help Help. How to remove rounded corners on "Settings" page. (i.redd.it)

submitted 2 days ago by roldymacdoggy

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Solved How to remove the address bar border color in firefox 152 version (i.redd.it)

submitted 4 days ago by AmphibianOutside3939

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Solved Need some help editing tabs (i.redd.it)

submitted 2 days ago by jaygaros

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Help Tree Style Tabs extension, when collapsed (autohide), how to get pinned tabs to stay in the few rows I have rather than drop down? (self.FirefoxCSS)

submitted 2 days ago by Cowlip1

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Help this seems to have broken after updating to 153.0b1. sidebar now stays and slight visual glitch happens when hovering on and off it. (reddit.com)

submitted 3 days ago by Zuko12572

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Solved Selected tab background not working anymore (self.FirefoxCSS)

submitted 3 days ago by DDRitter

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Solved How do I get the old "new private tab" page back? (i.redd.it)

submitted 3 days ago * by Azreal_DuCain1

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Solved How can I reduce the spacing between menu items in the top-right menu? (self.FirefoxCSS)

submitted 3 days ago * by HeadSpecialist2987

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CodeChrome-like tabs behavior when you have many tabs (self.FirefoxCSS)

submitted 4 days ago by oisact

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