CSSLayerStatementRule

The cssText property of the CSSRule interface returns the actual text of a CSSStyleSheet style-rule.

The read-only nameList property of the CSSLayerStatementRule interface return the list of associated cascade layer names.

The parentRule property of the CSSRule interface returns the containing rule of the current rule if this exists, or otherwise returns null.

The parentStyleSheet property of the CSSRule interface returns the StyleSheet object in which the current rule is defined.