<!-- Do not edit this file. It is automatically generated by API Documenter. --> [Home](./index.md) > [puppeteer](./puppeteer.md) > [FrameAddStyleTagOptions](./puppeteer.frameaddstyletagoptions.md) > [url](./puppeteer.frameaddstyletagoptions.url.md) ## FrameAddStyleTagOptions.url property the URL of the CSS file to be added. <b>Signature:</b> ```typescript url?: string; ```