Simple CSS Inserter by JM

Bring CSS in and out.

Available on Firefox for Android™

3 (1 reviews)

65 Users

You'll need Firefox to use this extension

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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

Release notes for 3.1

Code optimization.

Optional permissions: