Firefox CSS Theme/Style for manual customization

The Firefox theme with too many options.. FF Ultima.

Custom firefox interface

CSS tweaks for Firefox

Minimal Firefox CSS theme with Arc like design with vertical tabs

A minamist and aesthetic userstyle theme for FIrefox.

// Transluscent FirefoxCSS theme for MacOS

Firefox+Thunderbird ESR compact CSS 2006-2026 (-45/25%↕️/↔️ 1/2/3 lines). AddressBar/findBar overlay.AddressBar row colors(bookmarks+opened tabs).Visited links color+some context menu entries.🚫rounded/blurred/lagged("animated")Web+UI.Scrollbar(alwaysVisible/arrows/transparentSlider).🔉instead of playing.2x more pinned tabs(same↔️).about:config+AHK

UserChromeFiles, Webextensions Experiments

Customize your Firefox bookmarks toolbar with custom folder icons, adjustable sizing, icon-only mode, multi-row layout, and auto-hide options. Simple userChrome.css template for a personalized browsing experience.

Keyboard-centric, qutebrowser-inspired Firefox userChrome.css

Dynamic color scheme theme for Firefox

Xenofox is a dark, colorful theme for Firefox with tab management enhancements

This is a Safari Firefox theme for windows, featuring Safari-like homepage and buttons. Making Firefox look just like Safari.

vertical css theme / my Firefox profile's "chrome" folder's files

A simple userChrome for Firefox that restores connected tabs, visual dividers, and the focused tab highlight.

🦊 Firefox with better UI, better privacy and security. Subsequent maintenance of pznguin-kyun/pengufox.

A collection of all my Firefox `userChrome.css` tweaks.

Scripts to improve Firefox user experience

My heavily modified FirefoxCSS based on material-fox-updated