Form when using jss a separate file with styles?

Question

React

How to create a separate file with styles when using JSS?
At the moment, the styles for the components are written in the style tag in the html file. And for all pages at once, and not just the one that is open.

Answer 1

a file with styles is created (for example, next to the component file) and imported in the JS file
import './style.css'