Web platform features explorer - @supports

Web platform features explorer

The @supports at-rule applies styles based on a browser's support for CSS features, such as a CSS property and value. Also known as feature queries.

Status

Baseline Widely Available (since 2018-03-30)

MDN documentation

@supports

Specifications

CSS Conditional Rules Module Level 3 (#at-supports), from Cascading Style Sheets (CSS) Working Group (W3C).

Browser support (view on caniuse.com)

Chrome 28 Released on 2013-07-09
Chrome Android 28 Released on 2013-07-10
Edge 12 Released on 2015-07-29
Firefox 22 Released on 2013-06-25
Firefox for Android 22 Released on 2013-06-25
Safari 9 Released on 2015-09-30
Safari on iOS 9 Released on 2015-09-16

Developer signals

State of CSS 2025: features/all_features question
State of CSS 2024: features/all_features question

Interop

Included in Interop 2023

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