CSSStyleRule

The cssRules property of the CSSGroupingRule interface returns a CSSRuleList containing a collection of CSSRule objects.

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

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.

The selectorText property of the CSSStyleRule interface gets and sets the selectors associated with the CSSStyleRule.

The read-only style property is the CSSStyleDeclaration interface for the declaration block of the CSSStyleRule.

The styleMap read-only property of the CSSStyleRule interface returns a StylePropertyMap object which provides access to the rule's property-value pairs.

The deleteRule() method of the CSSGroupingRule interface removes a CSS rule from a list of child CSS rules.

The insertRule() method of the CSSGroupingRule interface adds a new CSS rule to a list of CSS rules.