On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 52 on 2016-07-20 Note: Before Chrome 115, style containment did not affect quotes, see bug 40592922.
In Chrome Android version 52 on 2016-07-27 Note: Before Chrome Android 115, style containment did not affect quotes, see bug 40592922.
In Edge version 79 on 2020-01-15 Note: Before Edge 115, style containment did not affect quotes, see bug 40592922.
In Firefox version 103 on 2022-07-26
In Firefox for Android version 103 on 2022-07-26
Not in Internet Explorer
In Quest Browser version 5.0 on undefined Note: Before Quest Browser false, style containment did not affect quotes, see bug 40592922.
In Opera version 39 on 2016-08-02 Note: Before Opera 101, style containment did not affect quotes, see bug 40592922.
In Opera Android version 41 on 2016-10-25 Note: Before Opera Android 77, style containment did not affect quotes, see bug 40592922.
In Safari version 15.4 on 2022-03-14 Note: Style containment does not affect quotes, see bug 232083.
In Safari on iOS version 15.4 on 2022-03-14 Note: Style containment does not affect quotes, see bug 232083.
In Samsung Internet version 6.0 on 2017-08-23 Note: Before Samsung Internet 23.0, style containment did not affect quotes, see bug 40592922.
In WebView Android version 52 on 2016-07-27 Note: Before WebView Android 115, style containment did not affect quotes, see bug 40592922.
In WebView on iOS version 15.4 on 2022-03-14 Note: Style containment does not affect quotes, see bug 232083.