[Home](./index.md) > [puppeteer](./puppeteer.md) > [CSSCoverage](./puppeteer.csscoverage.md) ## CSSCoverage class Signature: ```typescript export declare class CSSCoverage ``` ## Constructors | Constructor | Modifiers | Description | | --- | --- | --- | | [(constructor)(client)](./puppeteer.csscoverage._constructor_.md) | | Constructs a new instance of the CSSCoverage class | ## Properties | Property | Modifiers | Type | Description | | --- | --- | --- | --- | | [\_client](./puppeteer.csscoverage._client.md) | | [CDPSession](./puppeteer.cdpsession.md) | | | [\_enabled](./puppeteer.csscoverage._enabled.md) | | boolean | | | [\_eventListeners](./puppeteer.csscoverage._eventlisteners.md) | | [PuppeteerEventListener](./puppeteer.puppeteereventlistener.md)\[\] | | | [\_reportAnonymousScripts](./puppeteer.csscoverage._reportanonymousscripts.md) | | boolean | | | [\_resetOnNavigation](./puppeteer.csscoverage._resetonnavigation.md) | | boolean | | | [\_stylesheetSources](./puppeteer.csscoverage._stylesheetsources.md) | | Map<string, string> | | | [\_stylesheetURLs](./puppeteer.csscoverage._stylesheeturls.md) | | Map<string, string> | | ## Methods | Method | Modifiers | Description | | --- | --- | --- | | [\_onExecutionContextsCleared()](./puppeteer.csscoverage._onexecutioncontextscleared.md) | | | | [\_onStyleSheet(event)](./puppeteer.csscoverage._onstylesheet.md) | | | | [start(options)](./puppeteer.csscoverage.start.md) | | | | [stop()](./puppeteer.csscoverage.stop.md) | | |