CSSPageRule
CSSPageRule represents a single CSS @page rule.
Properties
The cssRules property of the CSSGroupingRule interface returns a CSSRuleList containing a collection of CSSRule objects.
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 CSSPageRule interface gets and sets the selectors associated with the CSSPageRule.
The style read-only property of the CSSPageRule interface returns a CSSPageDescriptors object. This represents a CSS declaration block for a CSS @page at-rule, and exposes style information and various style-related methods and properties for the page.