[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [CSS](./puppeteer.protocol.css.md) > [MediaQueryExpression](./puppeteer.protocol.css.mediaqueryexpression.md) > [feature](./puppeteer.protocol.css.mediaqueryexpression.feature.md) ## Protocol.CSS.MediaQueryExpression.feature property Media query expression feature. Signature: ```typescript feature: string; ```