[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [DOM](./puppeteer.protocol.dom.md) > [PseudoType](./puppeteer.protocol.dom.pseudotype.md) ## Protocol.DOM.PseudoType type Pseudo element type. Signature: ```typescript export type PseudoType = ('first-line' | 'first-letter' | 'before' | 'after' | 'marker' | 'backdrop' | 'selection' | 'first-line-inherited' | 'scrollbar' | 'scrollbar-thumb' | 'scrollbar-button' | 'scrollbar-track' | 'scrollbar-track-piece' | 'scrollbar-corner' | 'resizer' | 'input-list-button'); ```