How To Style And Write CSS In React

App.js

import Styles from "./App.module.css";
 
export default function App() {
  return (
    <div className={Styles.block}>
      <h2>
        React is a free and open-source front-end JavaScript library for
        building user interfaces based on UI components. It is maintained by
        Meta and a community of individual developers and companies
      </h2>
    </div>
  );
}