You can write your CSS styling in a separate file, just save the file with the .css file extension, and import it in your application.

CSS Stylesheet. You can write your CSS styling in a separate file, just save the file with the .css file extension, and import it in your application.

import React from 'react'; import ReactDOM from 'react-dom/client'; function Hello(props) { return <h1>Hello World!</h1>; } const container = document.getElementById("root"); const root = …

Add React Router. To add React Router in your application, run this in the terminal from the root directory of the application:

Import. You can import modules into a file in two ways, based on if they are named exports or default exports. Named exports must be destructured using curly braces. Default exports do not.

At the top of your component, import the useState Hook. import { useState } from "react";

import logo from './logo.svg'; import './App.css'; function App() { return ( <div className="App"> <header className="App-header"> <img src={logo} className="App-logo" alt="logo" /> <p> …

Three Ways to Insert CSS. There are three ways of inserting a style sheet: External CSS; Internal CSS; Inline CSS

React Props. React Props are like function arguments in JavaScript and attributes in HTML. To send props into a component, use the same syntax as HTML attributes:

The CSS @import rule allows you to import a style sheet into another style sheet. The @import rule must be at the top of the document (but after @charset and @layer declaration). The …