On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 125 on 2024-05-14 Note: The generic auto value exists, but it does not yet have the effect described in the spec.
In Chrome Android version 125 on 2024-05-14 Note: The generic auto value exists, but it does not yet have the effect described in the spec.
In Edge version 125 on 2024-05-17 Note: The generic auto value exists, but it does not yet have the effect described in the spec.
In Firefox version 147 on 2026-01-13
In Firefox for Android version 147 on 2026-01-13
Not in Internet Explorer
Not in Quest Browser
In Opera version 111 on 2024-06-12 Note: The generic auto value exists, but it does not yet have the effect described in the spec.
In Opera Android version 83 on 2024-06-25 Note: The generic auto value exists, but it does not yet have the effect described in the spec.
In Safari version 26 on 2025-09-15
In Safari on iOS version 26 on 2025-09-15
In Samsung Internet version 27.0 on 2024-11-06 Note: The generic auto value exists, but it does not yet have the effect described in the spec.
In WebView Android version 125 on 2024-05-14 Note: The generic auto value exists, but it does not yet have the effect described in the spec.
In WebView on iOS version 26 on 2025-09-15