BordersBaseline · Widely available
The border CSS property sets the color, style, and width of the line around an element.
Supported in all major browsers for at least 30 months — safe to use without fallbacks. Baseline since Jul 29, 2015. Widely available since Jan 29, 2018.
Browser support
DesktopChrome
1+Supportedsince Dec 11, 2008
Current: 155Edge
12+Supportedsince Jul 29, 2015
Current: 154Firefox
1+Supportedsince Nov 9, 2004
Current: 157Safari
1+Supportedsince Jun 23, 2003
Current: 27MobileChrome Android
18+Supportedsince Jun 27, 2012
Current: 155Firefox Android
4–10Not supported
14+Supportedsince Jun 26, 2012
Current: 157Safari iOS
1–2Not supported
3+Supportedsince Jun 17, 2009
Current: 27How to use
This feature is Baseline widely available — use it freely, no fallback needed.
Example
Full syntax and examples are on MDN: border.
Feature detection
CSS · check before using
@supports (border: initial) {
/* styles that rely on border */
}
/* or in JavaScript */
if (CSS.supports("border", "initial")) {
// use it
}Sub-features
Support for each part of the feature (161). The overall table above shows when the whole feature works.
| Sub-feature | Chrome | Edge | Firefox | Safari | Chrome Android | Firefox Android | Safari iOS |
|---|---|---|---|---|---|---|---|
| border | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom-color | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom-color.transparent | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom-style | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom-style.dashed | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom-style.dotted | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom-style.double | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom-style.groove | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom-style.hidden | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom-style.inset | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom-style.none | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom-style.outset | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom-style.ridge | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom-style.solid | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom-width | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom-width.medium | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom-width.thick | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom-width.thin | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom.dashed | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
Show 141 more
| Sub-feature | Chrome | Edge | Firefox | Safari | Chrome Android | Firefox Android | Safari iOS |
|---|---|---|---|---|---|---|---|
| border-bottom.dotted | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom.double | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom.groove | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom.hidden | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom.inset | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom.medium | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom.none | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom.outset | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom.ridge | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom.solid | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom.thick | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom.thin | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-bottom.transparent | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-color | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-color.transparent | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-left | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-left-color | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-left-color.transparent | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-left-style | 1 | 12 | 1 | 1 | 18 | 14 | 1 |
| border-left-style.dashed | 1 | 12 | 1 | 1 | 18 | 14 | 1 |
| border-left-style.dotted | 1 | 12 | 1 | 1 | 18 | 14 | 1 |
| border-left-style.double | 1 | 12 | 1 | 1 | 18 | 14 | 1 |
| border-left-style.groove | 1 | 12 | 1 | 1 | 18 | 14 | 1 |
| border-left-style.hidden | 1 | 12 | 1 | 1 | 18 | 14 | 1 |
| border-left-style.inset | 1 | 12 | 1 | 1 | 18 | 14 | 1 |
| border-left-style.none | 1 | 12 | 1 | 1 | 18 | 14 | 1 |
| border-left-style.outset | 1 | 12 | 1 | 1 | 18 | 14 | 1 |
| border-left-style.ridge | 1 | 12 | 1 | 1 | 18 | 14 | 1 |
| border-left-style.solid | 1 | 12 | 1 | 1 | 18 | 14 | 1 |
| border-left-width | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-left-width.medium | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-left-width.thick | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-left-width.thin | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-left.dashed | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-left.dotted | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-left.double | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-left.groove | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-left.hidden | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-left.inset | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-left.medium | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-left.none | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-left.outset | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-left.ridge | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-left.solid | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-left.thick | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-left.thin | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-left.transparent | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-right | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-right-color | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-right-color.transparent | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-right-style | 1 | 12 | 1 | 1 | 18 | 14 | 1 |
| border-right-style.dashed | 1 | 12 | 1 | 1 | 18 | 14 | 1 |
| border-right-style.dotted | 1 | 12 | 1 | 1 | 18 | 14 | 1 |
| border-right-style.double | 1 | 12 | 1 | 1 | 18 | 14 | 1 |
| border-right-style.groove | 1 | 12 | 1 | 1 | 18 | 14 | 1 |
| border-right-style.hidden | 1 | 12 | 1 | 1 | 18 | 14 | 1 |
| border-right-style.inset | 1 | 12 | 1 | 1 | 18 | 14 | 1 |
| border-right-style.none | 1 | 12 | 1 | 1 | 18 | 14 | 1 |
| border-right-style.outset | 1 | 12 | 1 | 1 | 18 | 14 | 1 |
| border-right-style.ridge | 1 | 12 | 1 | 1 | 18 | 14 | 1 |
| border-right-style.solid | 1 | 12 | 1 | 1 | 18 | 14 | 1 |
| border-right-width | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-right-width.medium | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-right-width.thick | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-right-width.thin | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-right.dashed | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-right.dotted | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-right.double | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-right.groove | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-right.hidden | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-right.inset | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-right.medium | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-right.none | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-right.outset | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-right.ridge | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-right.solid | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-right.thick | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-right.thin | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-right.transparent | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-style | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-style.dashed | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-style.dotted | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-style.double | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-style.groove | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-style.hidden | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-style.inset | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-style.none | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-style.outset | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-style.ridge | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-style.solid | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top-color | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top-color.transparent | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top-style | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top-style.dashed | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top-style.dotted | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top-style.double | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top-style.groove | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top-style.hidden | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top-style.inset | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top-style.none | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top-style.outset | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top-style.ridge | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top-style.solid | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top-width | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top-width.medium | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top-width.thick | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top-width.thin | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top.dashed | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top.dotted | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top.double | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top.groove | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top.hidden | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top.inset | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top.medium | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top.none | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top.outset | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top.ridge | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top.solid | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top.thick | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top.thin | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-top.transparent | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border-width | 1 | 12 | 1 | 1 | 18 | 4 | 3 |
| border-width.medium | 1 | 12 | 1 | 1 | 18 | 4 | 3 |
| border-width.thick | 1 | 12 | 1 | 1 | 18 | 4 | 3 |
| border-width.thin | 1 | 12 | 1 | 1 | 18 | 4 | 3 |
| border.dashed | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border.dotted | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border.double | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border.groove | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border.hidden | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border.inset | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border.medium | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border.none | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border.outset | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border.ridge | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border.solid | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border.thick | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border.thin | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| border.transparent | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| <line-style> | 1 | 12 | 1 | 1 | 18 | 4 | 3 |