According to the spec draft: “A value other than none for the filter property results in the creation of a containing block for absolute and fixed positioned descendants unless the element it applies to is a document root element in the current browsing context.”


Established standard

Status in Chromium


Enabled by default (tracking bug) in:

  • Chrome for desktop release 68
  • Chrome for Android release 68
  • Android WebView release 68

Consensus & Standardization

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

  • Shipped/Shipping
  • No signal
  • No signal
  • No signals


Search tags

filter, containing block,

Last updated on 2020-11-19