Web features explorer - CSS import attributes

Web features explorer

Module import … with { type: "css" } statements load CSS modules as constructable stylesheets. Also known as CSS module scripts.

Browser support

Chrome 123 Released on 2024-03-19
Chrome Android 123 Released on 2024-03-19
Edge 123 Released on 2024-03-22
Firefox 147 Released on 2026-01-13
Firefox for Android 147 Released on 2026-01-13
Safari Not supported Position: support Bugs: 227967
Safari on iOS Not supported Position: support Bugs: 227967

Baseline availability blocked since January 2026 by Safari (6 months)

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MDN documentation

import

Specifications

HTML (#css-module-script), from HTML Workstream (WHATWG).

Usage (according to Chrome Platform Status)

~0.003% of page loads. More data at chromestatus.com.

Web Platform Tests (WPT)

View the latest WPT test results for this feature

View as JSON | Edit this feature | Report an issue | Web-features entry: source, dist