Simple CSS Inserter by JM

Bring CSS in and out.

Available on Firefox for Android™

3 (1 review)

70 Users

Download Firefox and get the extension

Download file

About this extension

Press the toolbar button to apply the CSS. You can switch at any time.

Only one CSS can be retained.

Manifest version 3
Firefox 128+

Features
- Top frame only
- Insert CSS on load

Rated 3 by 1 reviewer

Optional permissions: