🦊 I respect proton UI and aim to improve it.

A very shy little theme that hides the entire browser interface in the window border

A Userstyle theme for Firefox minimalist and Keyboard centered.

A userChrome.css theme to bring Arc Browser look on Windows to Firefox. Work with Windows, Linux and macOS ✨

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

A responsive One-Line CSS Theme for Firefox

Make your production flow

Firefox CSS Theme/Style for manual customization

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

Opera GX Skin for Firefox

A sleek, modern and elegant Firefox CSS theme

✨ Hyprland + Waybar with Catppuccin theme • Arch Linux

Bringing a refreshing macOS-inspired skin to Firefox

🦊 Soothing pastel theme for Firefox

🦊 Firefox user CSS theme looks similar to Chrome

MacOS Big Sur like theme for Firefox on MacOS & Windows. Make your Firefox look like Safari.

Firefox theme with Edge like auto-hide vertical tab bar and minimalism design. Powerd by Sidebery.

A Minimal, Cozy, Vertical Optimized Firefox Theme

Sun Valley + MDL2 Theme for Firefox

Bringing sexy curves back to Firefox Photon.

This theme for Firefox supports all the window buttons layouts from Tweaks and it blends into the elementary OS user interface.

Custom firefox interface

A old Mozilla Firefox theme for Firefox 115-latest.

CSS tweaks for Firefox

🗿 Super clear desktop browser with zero buttons and intuitive gesture controls

Sweet_Pop! Beautify, Customize Firefox. Minimalist animated oneliner theme for Firefox perfectly matching Sweet Dark.

🕊️ Firefox add-on for multi-row tabs and site-dependent tab colors

Vertical tab design for Firefox with dynamic indentation:: Sidebery and TreeStyleTabs (Legacy) themes available! [!] Moved to https://codeberg.org/macleod/FirefoxSidebar

A lightweight Firefox theme focused on usability, flexibility, and smooth performance.

An add-on that aims to add Vivaldi style toolbar colouring to the Firefox UI