CSSPseudoElementA CSSPseudoElement object represents a pseudo-element and its context in the document tree. You get an instance through the pseudo() method of Element or CSSPseudoElement objects or the pseudoTarget property of some events.cssomCSS object modelslimitedhttps://drafts.csswg.org/css-pseudo-4/#CSSPseudoElement-interfacehttps://developer.mozilla.org/docs/Web/API/CSSPseudoElementapi.CSSPseudoElementapi.CSSPseudoElement.elementapi.CSSPseudoElement.parentapi.CSSPseudoElement.pseudoapi.CSSPseudoElement.typeapi.Element.pseudohttps://nowyoucanuse.com/features--css-object-model-csspseudoelement.html