FirefoxCSS Hub

Published theme

WhiteSur

A MacOSX Safari theme for Firefox 80+

Open original repository
Repository
github.com/vinceliuice/WhiteSur-firefox-theme
Stars
543
Last update
Jan 5, 2026
Submitted as
legacy
WhiteSur screenshot

Tags

darklightmacmacosxmontereyonelinesafarivinceliuice

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