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• Features only in:
• Chromium
• Firefox
• Safari

• Browser releases:
• Chrome 148
• Chrome Android 148
• Edge 148
• Firefox 151
• Firefox for Android 151
• Safari 26.5
• Safari on iOS 26.5

New features in Firefox for Android 151 (released on 2026-05-19)

• Container style queries

  Baseline Newly Available (since 2026-05-19)

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

  Learn more

  • 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