Import of components' css not working

[R-Aniruddha]

I have tried to use several different components to create a carousel but none have been able to work properly.
Initially I had problems with importing css for the component
import "react-multi-carousel/lib/styles.css";
That caused an error which I fixed by adding url: false, to the next.config.js file
After that the component loads but with no styling at all.
The classes are there on the elements but with no css.

These are 2 of the many carousels I have tried to get working with this template but failed.

https://github.com/brainhubeu/react-carousel
https://github.com/YIZHUANG/react-multi-carousel