On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 86 on 2020-10-20 Note: For right-to-left elements, this property uses 0-100 (most left to most right) instead of negative values. See bug 41319147.
In Chrome Android version 86 on 2020-10-20 Note: For right-to-left elements, this property uses 0-100 (most left to most right) instead of negative values. See bug 41319147.
In Edge version 86 on 2020-10-09 Note: For right-to-left elements, this property uses 0-100 (most left to most right) instead of negative values. See bug 41319147.
In Firefox version 1 on 2004-11-09
In Firefox for Android version 4 on 2011-03-29
In Internet Explorer version 5 on 1999-03-18 Note: For right-to-left elements, this property uses 100-0 (most left to most right) instead of negative values.
In Quest Browser version 12.0 on undefined Note: For right-to-left elements, this property uses 0-100 (most left to most right) instead of negative values. See bug 41319147.
In Opera version 8 on 2005-04-19
In Opera Android version 10.1 on 2010-11-09
In Safari version 1 on 2003-06-23
In Safari on iOS version 1 on 2007-06-29
In Samsung Internet version 14.0 on 2021-04-17 Note: For right-to-left elements, this property uses 0-100 (most left to most right) instead of negative values. See bug 41319147.
In WebView Android version 86 on 2020-10-20 Note: For right-to-left elements, this property uses 0-100 (most left to most right) instead of negative values. See bug 41319147.
In WebView on iOS version 1 on 2007-06-29