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Published theme

Lepton's Photon-Styled in Proton UI

🦊 I tried to preserve Proton’s feeling while preserving Photon’s strengths. Icons, Padding, Tab Design... Compatibility: V89+

Open original repository
Repository
github.com/black7375/Firefox-UI-Fix/tree/photon-style
Stars
5,808
Last update
May 5, 2026
Submitted as
legacy
Lepton's Photon-Styled in Proton UI screenshot

Tags

uncategorized

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.