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

Firefox userChrome.css to auto-hide the tab bar when it only contains a single tab

A Betterbird / Thunderbird modding suite to bring back some of the UI and functionality of Postbox

UserChromeJS/userChrome.css package that adds a Firefox toolbar button to auto-hide browser toolbars, with Ctrl+F11 shortcut and Tools menu entry.

A custom firefox css theme

Min Firefox - browse without distractions

Makes firefox transparent with colored tint

Minimal auto-hiding Firefox navigation toolbar - only the centred URL until you hover. Tab- and sidebar-neutral, so it works with native vertical tabs.

My custom Firefox CSS.

Polished macOS-style window controls for Zen Browser with deep customization and animations.

A compact and minimal Firefox UI for keyboard-centric users.

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.