Web platform features explorer - ::before and ::after

Web platform features explorer

The ::before and ::after CSS pseudo-elements select inline boxes preceding and following an element. They are often used with the content property to generate cosmetic content.

Status

Baseline Widely Available (since 2018-01-29)

MDN documentation

Specifications

CSS Pseudo-Elements Module Level 4 (#generated-content), from Cascading Style Sheets (CSS) Working Group (W3C).

Browser support (view on caniuse.com)

Chrome 1 Released on 2008-12-11
Chrome Android 18 Released on 2012-06-27
Edge 12 Released on 2015-07-29
Firefox 1.5 Released on 2005-11-29
Firefox for Android 4 Released on 2011-03-29
Safari 4 Released on 2009-06-08
Safari on iOS 3.2 Released on 2010-04-03

View as JSON | Edit this feature | Report an issue | Web-features entry: source, dist