On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 16 on 2011-12-13 Note: Before Chrome 112, a border image's absolute or percentage length width may not take precedence over a narrower border-width (bug 40541033).
In Chrome Android version 18 on 2012-06-27 Note: Before Chrome Android 112, a border image's absolute or percentage length width may not take precedence over a narrower border-width (bug 40541033).
In Edge version 12 on 2015-07-29 Note: Before Edge 112, a border image's absolute or percentage length width may not take precedence over a narrower border-width (bug 40541033).
In Firefox version 13 on 2012-06-05
In Firefox for Android version 14 on 2012-06-26
In Internet Explorer version 11 on 2013-10-17
In Quest Browser version 5.0 on undefined Note: Before Quest Browser false, a border image's absolute or percentage length width may not take precedence over a narrower border-width (bug 40541033).
In Opera version 15 on 2013-07-02 Note: Before Opera 98, a border image's absolute or percentage length width may not take precedence over a narrower border-width (bug 40541033).
In Opera Android version 14 on 2013-05-21 Note: Before Opera Android 75, a border image's absolute or percentage length width may not take precedence over a narrower border-width (bug 40541033).
In Safari version 6 on 2012-07-25
In Safari on iOS version 6 on 2012-09-10
In Samsung Internet version 1.0 on 2013-04-27 Note: Before Samsung Internet 23.0, a border image's absolute or percentage length width may not take precedence over a narrower border-width (bug 40541033).
In WebView Android version 4.4 on 2013-12-09 Note: Before WebView Android 112, a border image's absolute or percentage length width may not take precedence over a narrower border-width (bug 40541033).
In WebView on iOS version 6 on 2012-09-10