interfaces/css-anchor-position.idl

// Source: CSS Anchor Positioning (https://drafts.csswg.org/css-anchor-position-1/)

[Exposed=Window]
interface CSSPositionFallbackRule : CSSGroupingRule {
  readonly attribute CSSOMString name;
};

[Exposed=Window]
interface CSSTryRule : CSSRule {
  [SameObject, PutForwards=cssText] readonly attribute CSSStyleDeclaration style;
};