The CSSUnknownRule interface represents an at-rule not supported by this user agent.

Documentation

Specification

Established standard

Status in Chromium

Blink


Removed (tracking bug) in:

  • Chrome for desktop release 45
  • Chrome for Android release 45
  • Chrome for iOS release 45

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.

  • No signal
  • No signal
  • No signal
  • No signals

Owner

Last updated on 2020-11-19