A userChrome.css theme to bring Arc Browser look on Windows to Firefox. Work with Windows, Linux and macOS ✨
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Updated
Nov 14, 2025 - CSS
A userChrome.css theme to bring Arc Browser look on Windows to Firefox. Work with Windows, Linux and macOS ✨
A minimalistic one-line userChrome.css theme for Firefox
A Betterbird / Thunderbird modding suite to bring back some of the UI and functionality of Postbox
Firefox userChrome.css to auto-hide the tab bar when it only contains a single tab
A custom firefox css theme
UserChromeJS/userChrome.css package that adds a Firefox toolbar button to auto-hide browser toolbars, with Ctrl+F11 shortcut and Tools menu entry.
Min Firefox - browse without distractions
Makes firefox transparent with colored tint
Pywal colors for Zen Browser. Sidebar, tabs, background and URL bar follow your wallpaper live, no restart. Works with Pywalfox
My custom Firefox CSS.
A compact and minimal Firefox UI for keyboard-centric users.
A compact Firefox theme in plain userChrome.css: navigation, URL bar and tabs on a single row. npx vulpine
A real-progress loading bar for Firefox's address bar, like Chromium/Helium's: follows actual page load progress, with a breathing glow. userChrome.css + autoconfig.
🎮 Everblush GX — Opera GX-inspired Firefox theme with Everblush palette, glassmorphism UI, green glow effects, and Chrome-like density
Polished macOS-style window controls for Zen Browser with deep customization and animations.
Minimal auto-hiding Firefox navigation toolbar - only the centred URL until you hover. Tab- and sidebar-neutral, so it works with native vertical tabs.
Ein Firefox-Profil, das man ohne Nervosität an einen Beamer hängen kann: kommentierte user.js gegen Empfehlungen, Vorschläge und Einblendungen im Unterricht.
Personal Firefox userChrome.css customizations: removes the megabar/urlbar enlargement, roomy bookmarks toolbar, custom scrollbars, findbar/widget-overflow tweaks, and a tab sound icon on the favicon.
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