web-feature: @scope

Widely available

The @scope CSS at-rule sets the scope for a group of rules.

WKWebView

macOS

*

iOS

*

Android WebView

Android

*

WebView2

Windows

*

WPE MiniBrowser

Linux

2026-10

Servo

Android

2026-10

ArkWeb

HarmonyOS

*

Chrome Browser

Android

143

Safari Browser

iOS

26.4