GitHub - feilvan/firefox-css

preview.webm

Features

Open about:config
Search toolkit.legacyUserProfileCustomizations.stylesheets and set it to true
Open about:profiles
Look for Default profile: yes and open the root directory
Copy chrome folder to root directory
Install Sidebery extension
Open Sidebery Settings --> Styles editor
Copy sidebery.css content and paste it to Styles editor

Name		Name	Last commit message	Last commit date
Latest commit History 25 Commits
chrome		chrome
README.md		README.md
sidebery.css		sidebery.css