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Collection of userstyles affecting the browser

Firefox CSS Theme - For dark theme lovers / More compact / Modular / Blur

Firefox CSS Theme/Style for manual customization

A Firefox userChrome.css theme that aims to recreate the look and feel of Microsoft Edge.

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

Themes for GTK, gnome-shell and more.

Custom firefox interface

A old Mozilla Firefox theme for Firefox 115 ESR.

Choose your own YouTube layout, plus some other settings!

GTK3 port of the Clearlooks theme

party like it's firefox 87

A custom UI mod for Vivaldi Browser, based on Opera GX

Revert closed GitHub issues from purple back to red.

Chrome-Like Theme for Firefox

Ultimate minimalistic user style for firefox.

GTK theme for Budgie desktop

A theme for GNOME based on Adwaita.

A two-line, although very compact, Firefox CSS theme

a red variant of Elemento GTK theme