Outlines
Widely available
The outline-color, outline-style, and outline-width and outline-offset CSS properties style a line around an element, outside of the border.
To learn more, see
outline-color,
outline-offset,
outline-style,
outline-width at MDN.
Compatibility
- Chrome 1 Released on 2008-12-11
- Chrome Android 18 Released on 2012-06-27
- Edge 15 Released on 2017-04-05
- Firefox 1.5 Released on 2005-11-29
- Firefox for Android 4 Released on 2011-03-29
- Safari 1.2 Released on 2004-02-02
- Safari on iOS 1 Released on 2007-06-29