Yes! You will get prompted to set up the Tailwind plugin when you spin up a Fresh project with the CLI tool. That said, if you prefer vanilla CSS you can just add your CSS source to the static folder. You can then link the added file using rel tags in your Preact markup. We saw you can even use PostCSS to transform your input CSS. In this case, add your source CSS to another folder and configure PostCSS to output to `static`.