FirefoxCSS-Store

Published theme

Firefox-Σigma

A minimal, gesture-driven Firefox setup — zero window chrome, multi-row tabs, and a UI that gets out of your way.

Open original repository
Repository
github.com/zxxtlz/Firefox-Sigma
Stars
2
Last update
Aug 24, 2026
Submitted as
author
Firefox-Σigma screenshot 1

Tags

firefoxgesturesminimalmulti-row

Install overview

  1. Open the original repository and read the maintainer's installation notes.
  2. Enable toolkit.legacyUserProfileCustomizations.stylesheets in about:config.
  3. Create or open the chrome folder in your Firefox profile.
  4. Copy the theme files requested by the original repository and restart Firefox.

Ownership note

FirefoxCSS-Store indexes this submission for discovery. The code, license, support, and installation details belong to the original repository.