marginBaseline · Widely available
The margin CSS property sets space around an element. It is a shorthand for margin-top, margin-right, margin-bottom, and margin-left.
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+Supportedsince Mar 29, 2011
Current: 157Safari iOS
1+Supportedsince Jun 29, 2007
Current: 27How to use
This feature is Baseline widely available — use it freely, no fallback needed.
Example
Full syntax and examples are on MDN: margin.
Feature detection
CSS · check before using
@supports (margin: initial) {
/* styles that rely on margin */
}
/* or in JavaScript */
if (CSS.supports("margin", "initial")) {
// use it
}Documentation (MDN)
Specification
Sub-features
Support for each part of the feature (10). The overall table above shows when the whole feature works.
| Sub-feature | Chrome | Edge | Firefox | Safari | Chrome Android | Firefox Android | Safari iOS |
|---|---|---|---|---|---|---|---|
| margin | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| margin-bottom | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| margin-bottom.auto | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| margin-left | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| margin-left.auto | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| margin-right | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| margin-right.auto | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| margin-top | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| margin-top.auto | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| margin.auto | 1 | 12 | 1 | 1 | 18 | 4 | 1 |