FirefoxCSS-Store

Published theme

Planus

Planus is a custom CSS theme for Firefox’s interface, tabs, tab previews and New Tab page, with flatter controls and consistent spacing.

Open original repository
Repository
github.com/marindominikovic/Planus-Firefox-Theme
Stars
0
Last update
Nov 4, 2026
Submitted as
author
Planus screenshot 1Planus screenshot 2

Tags

compactminimalreadable

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.