# EXPERIMENTAL : CSS Has Pseudo [][EXPERIMENTAL CSS Has Pseudo] [![NPM Version][npm-img]][npm-url] [][discord] `@csstools/css-has-pseudo-experimental` is no longer supported. Please use `css-has-pseudo` instead. All issues have been resolved in the main plugin and the experimental plugin is no longer maintained. > [!CAUTION] > This experimental plugin no longer has any effect on the output of your CSS. [discord]: https://discord.gg/bUadyRwkJS [npm-img]: https://img.shields.io/npm/v/@csstools/css-has-pseudo-experimental.svg [npm-url]: https://www.npmjs.com/package/@csstools/css-has-pseudo-experimental [EXPERIMENTAL CSS Has Pseudo]: https://github.com/csstools/postcss-plugins/tree/main/experimental/css-has-pseudo [Mutation Observer polyfill]: https://github.com/webmodules/mutation-observer [Selectors Level 4]: https://drafts.csswg.org/selectors-4/#has-pseudo