How to use CssBaseLine Component in ReactJS ? - GeeksforGeeks

21 Apr, 2021
A CssBaseline component is a collection of HTML element and attribute style-normalizations. At the <head> of our document, it is added as CSS reset. This component is used to add some basic styling to our application like box-sizing, background color, etc like Css reset for our application on top of Theme. Material UI for React has this component available for us, and it is very easy to integrate. We can use the CssBaseline Component in ReactJS using the following approach:
Creating React Application And Installing Module:
Step 1: Create a React application using the following command:npx create-react-app foldername
Step 1: Create a React application using the following command:
npx create-react-app foldername
Step 2: After creating your project folder i.e. foldername, move to it using the following command:cd foldername
Step 2: After creating your project folder i.e. foldername, move to it using the following command:
cd foldername
Step 3: After creating the ReactJS application, Install the material-ui modules using the following command:npm install @material-ui/core
Step 3: After creating the ReactJS application, Install the material-ui modules using the following command:
npm install @material-ui/core
Project Structure: It will look like the following.
Project Structure
Example: Now write down the following code in the App.js file. Here, App is our default component where we have written our code. 
App.js
import React from 'react';import CssBaseline from '@material-ui/core/CssBaseline';  export default function App() {    return (    <div style={{ display: 'block', padding: 30 }}>      <h4>How to use CssBaseline Component in ReactJS?</h4>      <CssBaseline>        <p>Greetings from GeeksforGeeks</p>        <p>These lines are within CssBaseline Component</p>        <p>Stay Safe and Healthy</p>        </CssBaseline>    </div>  );}
Step to Run Application: Run the application using the following command from the root directory of the project:
npm start
Output: Now open your browser and go to http://localhost:3000/, you will see the following output:
Now if we write the same example but without using the CssBaseline Component, the following will be the output:
App.js
import React from 'react';  export default function App() {    return (    <div style={{ display: 'block', padding: 30 }}>      <h4>How to use CssBaseline Component in ReactJS?</h4>        <p>Greetings from GeeksforGeeks</p>        <p>These lines are without CssBaseline Component</p>        <p>Stay Safe and Healthy</p>      </div>  );}
Step to Run Application: Run the application using the following command from the root directory of the project:
npm start
Output: Now open your browser and go to http://localhost:3000/, you will see the following output:
Reference: https://material-ui.com/components/css-baseline/
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