Modern CSS feature support for shadow DOM

“Modern CSS Feature Support For Shadow DOM” title over cards for :has(), @property, Anchor Positioning, and Cascade layers with support status badges on a blue-purple gradient background.

Adobe Spectrum Web Engineering tracks CSS feature support within and across the shadow DOM. The project covers :has(), @property, @scope, anchor positioning, cascade layers, container queries, and native nesting, documenting functional status, cross-boundary behavior, and browser bugs. Each feature includes Web Platform Tests results and links to spec issues.

shadow-dom-css.adobe.com

Tags css web-components