How we built it

CSS @apply Rule

The CSS @apply rule allows authors to define custom properties which contain declaration lists and then apply them inside style rules. This allows custom properties to be used for theming in a more extensible way than var() references.



Editor's draft

Status in Chromium

Behind a flag (launch bug) in:

  • Chrome for desktop release 51
  • Chrome for Android release 51
  • Android WebView release 51
  • Opera release 38
  • Opera for Android release 38

Consensus & Standardization

  • Mixed public signals
  • No public signals
  • No public signals
  • Mixed signals


Last updated on 2016-04-09