This specification defines the ::part() pseudo-element on shadow hosts, allowing shadow hosts to selectively expose chosen elements from their shadow tree to the outside page for styling purposes.
Documentation
Specification
Status in Chromium
Enabled by default (tracking bug) in:
- Chrome for desktop release 73
- Chrome for Android release 73
- Android WebView release 73
Consensus & Standardization
After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.
Owners
Search tags
part theme css shadow,Last updated on 2020-11-19
Comments
This is in CSSWG First Working Public Draft.