Roole – A JavaScript Powered CSS Preprocessor

The most unique feature of Roole is that it has vendor prefixing built-in, so the language stays dead simple yet being able to prefix some extremely complex rules transparently. Roole is implemented in JavaScript, so it can be run both on the server side (via node.js) or in a browser.


It has vendor-prefixing built-in so there is no need to use them, supports variables + conditional logic and allows us to define the format we want to code CSS.

Roole can work both on the client or server-side (nodejs) and it is documented well.

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