Web platform features explorer - @scope

Web platform features explorer

The @scope CSS at-rule sets the scope for a group of rules.

Status

Limited availability

MDN documentation

@scope

Specifications

CSS Cascading and Inheritance Level 6 (#scope-atrule), from Cascading Style Sheets (CSS) Working Group (W3C).

Browser support (view on caniuse.com)

Chrome 118 Released on 2023-10-10
Chrome Android 118 Released on 2023-10-10
Edge 118 Released on 2023-10-13
Firefox ❌ Vendor position : positive
Firefox for Android ❌ Vendor position : positive
Safari 17.4 Released on 2024-03-05
Safari on iOS 17.4 Released on 2024-03-05

Baseline availability blocked since March 2024 by Firefox (21 months)

Developer signals

State of HTML 2025: usage/html_interoperability_features_features_only question
State of CSS 2025: reading_list/reading_list question
State of CSS 2025: features/all_features question
State of CSS 2024: reading_list/reading_list question
State of CSS 2024: features/all_features question

Usage (according to Chrome Platform Status)

~0.099% of page loads. More data at chromestatus.com.

Interop

Included in Interop 2025

Web Platform Tests (WPT)

View the latest WPT test results for this feature

Developer signals

Votes: 3

If you want this feature to be available in all browsers, vote for it by adding a thumbs up reaction (👍) to this GitHub issue, and leave a comment with more information.

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