Selectors (core)Baseline · Widely available
CSS selectors match elements based on their type, attributes, and relationship to other elements. They define the specific elements to which a block of styles will be applied. This feature represents the oldest selectors of CSS.
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
1–2Not supported
3+Supportedsince Oct 26, 2007
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: Attribute selectors.
Feature detection
CSS · check before using
@supports selector(:attribute) {
/* styles that use :attribute */
}
/* or in JavaScript */
if (CSS.supports("selector(:attribute)")) {
// use it
}Sub-features
Support for each part of the feature (12). The overall table above shows when the whole feature works.
| Sub-feature | Chrome | Edge | Firefox | Safari | Chrome Android | Firefox Android | Safari iOS |
|---|---|---|---|---|---|---|---|
| attribute | 1 | 12 | 1 | 3 | 18 | 4 | 1 |
| child | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| class | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| descendant | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| id | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| list | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| next-sibling | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| subsequent-sibling | 1 | 12 | 1 | 3 | 18 | 4 | 1 |
| type | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| type.namespaces | 1 | 12 | 1 | 1.3 | 18 | 4 | 1 |
| universal | 1 | 12 | 1 | 1 | 18 | 4 | 1 |
| universal.namespaces | 1 | 12 | 1 | 1.3 | 18 | 4 | 1 |