Shadow parts
Widely available since 2023-01-28
The part and exportparts HTML attributes expose elements of a shadow DOM as named parts, which can be selected by the ::part() CSS pseudo-element for styling.
Learning resources on MDN
Browser support
- Chrome 73 Released on 2019-03-12
- Chrome Android 73 Released on 2019-03-12
- Edge 79 Released on 2020-01-15
- Firefox 72 Released on 2020-01-07
- Firefox for Android 79 Released on 2020-07-28
- Safari 13.1 Released on 2020-03-24
- Safari on iOS 13.4 Released on 2020-03-24