https://docs.oracle.com/en/java/javase/21/docs/api/jdk.xml.dom/org/w3c/dom/css/class-use/CSSPageRule.html
Uses of Interface org.w3c.dom.css.CSSPageRule (Java SE 21 & JDK 21)
use: module: jdk.xml.dom, package: org.w3c.dom.css, interface: CSSPageRule
https://developer.mozilla.org/en-US/docs/Web/API/CSSPageRule/selectorText
CSSPageRule: selectorText property - Web APIs | MDN
The selectorText property of the CSSPageRule interface gets and sets the selectors associated with the CSSPageRule.
web apispropertymdn