[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [CSS](./puppeteer.protocol.css.md) > [CSSMediaSource](./puppeteer.protocol.css.cssmediasource.md) ## Protocol.CSS.CSSMediaSource enum Signature: ```typescript export const enum CSSMediaSource ``` ## Enumeration Members | Member | Value | Description | | --- | --- | --- | | ImportRule | 'importRule' | | | InlineSheet | 'inlineSheet' | | | LinkedSheet | 'linkedSheet' | | | MediaRule | 'mediaRule' | |