How we built it

CSS Conditional Rules

Support for the @supports at-rule and the "window.CSS.supports()" API

Comments

WebKit ticket: https://bugs.webkit.org/show_bug.cgi?id=86146

Documentation

Specification

Established standard

Status in Chromium

Enabled by default (launch bug) in:

  • Chrome for desktop release 28
  • Chrome for Android release 28
  • Opera release 15
  • Opera for Android release 15

Consensus & Standardization

Owner

Last updated on 2015-07-09