On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 61 on 2017-09-05 Note: The block and inline options support the values start, center, end, nearest.
In Chrome Android version 61 on 2017-09-05 Note: The block and inline options support the values start, center, end, nearest.
In Edge version 79 on 2020-01-15 Note: The block and inline options support the values start, center, end, nearest.
In Firefox version 36 on 2015-02-24 Note: No support for inline option. Before Firefox 58, nearest and center values for the block option was unsupported. See bug 1389274.
In Firefox for Android version 36 on 2015-02-27 Note: No support for inline option. Before Firefox for Android 58, nearest and center values for the block option was unsupported. See bug 1389274.
Not in Internet Explorer
In Quest Browser version 5.0 on undefined Note: The block and inline options support the values start, center, end, nearest.
In Opera version 48 on 2017-09-27 Note: The block and inline options support the values start, center, end, nearest.
In Opera Android version 45 on 2018-02-15 Note: The block and inline options support the values start, center, end, nearest.
In Safari version 14 on 2020-09-16
In Safari on iOS version 14 on 2020-09-16
In Samsung Internet version 8.0 on 2018-07-18 Note: The block and inline options support the values start, center, end, nearest.
In WebView Android version 61 on 2017-09-05 Note: The block and inline options support the values start, center, end, nearest.
In WebView on iOS version 14 on 2020-09-16