Web platform features explorer - @starting-style

Web platform features explorer

Tags: api css Groups: CSS

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

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@starting-style

Specifications

CSS Transitions Level 2 (#defining-before-change-style), from Cascading Style Sheets (CSS) Working Group (W3C).

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

Usage (according to Chrome Platform Status)

~0.939% of page loads. More data at chromestatus.

Interop

Included in Interop 2024

Web Platform Tests (WPT)

View the latest WPT test results for this feature

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