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@starting-style

Newly Available (since 2024-08-06)
Expected to be Widely Available on 2027-02-06

The @starting-style CSS at-rule sets the starting values for properties that are transitioning when the target element's style is first updated.

Browser support

  • Chrome 117 Released on 2023-09-12
  • Chrome Android 117 Released on 2023-09-12
  • Edge 117 Released on 2023-09-15
  • Firefox 129 Released on 2024-08-06
  • Firefox for Android 129 Released on 2024-08-06
  • Safari 17.5 Released on 2024-05-13
  • Safari on iOS 17.5 Released on 2024-05-13

MDN documentation

Specifications

Usage (according to Chrome Platform Status)

~2.891% of page loads. More data at chromestatus.com.

Web Platform Tests (WPT)

View the latest WPT test results for this feature

Interop

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