Web features explorer - Media element pseudo-classes

Web features explorer

The :playing, :paused, :seeking, :buffering, :stalled, :muted, and :volume-locked CSS pseudo-classes match <audio> and <video> elements based on their state.

Browser support

Chrome Not supported Bugs: 40246121 40748199
Chrome Android Not supported Bugs: 40748199
Edge Not supported Bugs: 40748199
Firefox 150 Released on 2026-04-21
Firefox for Android 150 Released on 2026-04-21
Safari 15.4 Released on 2022-03-14
Safari on iOS 15.4 Released on 2022-03-14

Baseline availability blocked since April 2026 by Chromium (3 months)

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MDN documentation

Specifications

Selectors Level 4 (#resource-pseudos), from Cascading Style Sheets (CSS) Working Group (W3C).
HTML (#pseudo-classes), from HTML Workstream (WHATWG).

Usage (according to Chrome Platform Status)

~0.000% of page loads. More data at chromestatus.com.

Web Platform Tests (WPT)

View the latest WPT test results for this feature

Interop

Included in Interop 2026

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