Content CSS Modules
Injects a small styled badge into every web page you visit.
Runs on Chrome, Edge, Firefox · Manifest V3 · Surfaces: content script, background service worker · Styling: CSS
Create this project
npx extension@latest create my-content-css-modules --template content-css-modules
cd my-content-css-modules
npm install
npm run dev
Permissions it asks for
- activeTab
- scripting
- <all_urls>
Source on GitHubDocumentation
extension.devDocumentation for extension.dev