Web platform features explorer - @scope

Web platform features explorer

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

Status

Baseline Newly Available (since 2025-12-09)

This feature is expected to reach Baseline Widely Available status on: 2028-06-09

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 146 Released on 2025-12-09
Firefox for Android 146 Released on 2025-12-09
Safari 17.4 Released on 2024-03-05
Safari on iOS 17.4 Released on 2024-03-05

Developer signals

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)

~0.110% 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

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