Welcome to Thunderbird Add-ons.
Add extra features and styles to make Thunderbird your own.Close
About this Add-on
This provides ability to apply custom CSS file for all users globally.
This is mainly designed for corporate-use.
## How to use
1. Create a CSS file same to userChrome.css.
2. Put the file as %AppDir%/chrome/globalChrome.css. On Windows, it is:
C:\Program Files (x86)\Mozilla Firefox\chrome\globalChrome.css
3. Install this addon globally.