Your Custom Css от Bekurkes

A Firefox browser extension will allow you to add custom css to a page and save it in the load it next time you open any page that you have custom rules set for.

Features
- Set custom css for any website.
- Enable or disable styles for websites.
- Set global styles that will be applied to all styles.
- Write css to customize the extension.
- Import/export css files for an individual website.
- Import/export json file for all websites.