Web platform features explorer

::before and ::after

Widely available since 2018-01-29
Tags: css

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.

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