Spinner not spinning

[karol-bisztyga]

I have a Next.js + Tailwind App, I expect material-tailwind to be compatible with this as it has tailwind in its name. In my component I do this:

import { Spinner } from "@material-tailwind/react";

...

<Spinner />

Nothing is spinning, in docs, it looks like this:
https://www.material-tailwind.com/docs/react/spinner

but in my app it looks like this:

How do I make it spin? For now it just renders a cricle.