Introduction

Repository contains:

• manifest.json: theme file to package for https://addons.firefox.com
• chrome folder containing CSS files for Firefox

Tested on Mac and Windows 11 in dark mode with Firefox v146.0

Using CSS files in Firefox

1. Download or clone repository
2. Open about:config page in Firefox
   • A dialog will warn you, ignore it, press the I accept the risk! button
   • Enable: toolkit.legacyUserProfileCustomizations.stylesheets property
3. Go to your Firefox profile folder:
   • Menu > Help > More troubleshoot information > Profile Folder > Open Folder
4. Copy chrome directory to you profile folder
5. Restart Firefox

Screenshots