Widely Available
id: outline
outline
The
outline CSS shorthand sets the color, style, and width of a line around an element, outside of the border.
Baseline Status:
Achieved Widely Available on Sep 27, 2025 (Cross-browser Newly Available since Mar 27, 2023).
Desktop Browser Engine Support
Google Chrome
94
Supported
Mozilla Firefox
88
Supported
Apple Safari
16.4
Supported
Microsoft Edge
94
Supported
Mobile Browser Engine Support
Chrome Android
94
Firefox Android
88
Safari iOS
16.4
Specifications and References
MDN Browser Compat Data Keys:
css.properties.outline ↗
css.properties.outline.currentColor ↗
css.properties.outline.dashed ↗
css.properties.outline.dotted ↗
css.properties.outline.double ↗
css.properties.outline.groove ↗
css.properties.outline.inset ↗
css.properties.outline.medium ↗
css.properties.outline.none ↗
css.properties.outline.outset ↗
css.properties.outline.ridge ↗
css.properties.outline.solid ↗
css.properties.outline.thick ↗
css.properties.outline.thin ↗
css.properties.outline.transparent ↗