Web platform features explorer

The interactivity: inert CSS declaration makes an element and its descendants inert, like when using the inert HTML attribute. Inert elements can't be focused or clicked, their text can't be selected or found using the browser's find-in-page feature.

Status

Limited availability

MDN documentation

interactivity

Specifications

CSS Basic User Interface Module Level 4 (#inertness), from Cascading Style Sheets (CSS) Working Group (W3C).

Browser support

Chrome 135 Released on 2025-04-01
Chrome Android 135 Released on 2025-04-01
Edge 135 Released on 2025-04-04
Firefox ❌ See bugzil.la/1943864
Firefox for Android ❌
Safari ❌
Safari on iOS ❌

Usage (according to Chrome Platform Status)

~0.028% of page loads. More data at chromestatus.com.

Web Platform Tests (WPT)

View the latest WPT test results for this feature

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