Web platform features explorer

Container style queries

Container style queries with the @container at-rule apply styles to an element based on the values of custom properties of its container.

Status

Baseline Newly Available (since 2026-05-19)

This feature is expected to reach Baseline Widely Available status on: 2028-11-19

MDN documentation

Specifications

Browser support (view on caniuse.com)

  • Chrome 111 Released on 2023-03-07
  • Chrome Android 111 Released on 2023-03-07
  • Edge 111 Released on 2023-03-13
  • Firefox 151 Released on 2026-05-19
  • Firefox for Android 151 Released on 2026-05-19
  • Safari 18 Released on 2024-09-16
  • Safari on iOS 18 Released on 2024-09-16

Surveys

Usage (according to Chrome Platform Status)

~0.320% of page loads. More data at chromestatus.com.

Interop

Web Platform Tests (WPT)

View the latest WPT test results for this feature

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