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.

Learning resources on MDN

@starting-style

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 ❌ Vendor position : positive
Firefox for Android ❌ Vendor position : positive
Safari 17.5 Released on 2024-05-13
Safari on iOS 17.5 Released on 2024-05-13

Baseline availability blocked since May 2024 by Firefox (11 months)

Specifications

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

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