How to change opacity of background image in react js?

October 12, 2024

Hi Friends 👋,

Welcome To aHoisting!

To change opacity of background image in react js, you can set opacity: 0.5; in .background-container. It will change opacity of background image in react js.

Today, I am going to show you, how to change opacity of background image in react js.

Table of contents

Install and create a new React app.
Import react component.
Create a Component.

Let’s start with the first step.

Step 1: Install and create a new React app.

First you have to install the React project. You should use create-react-app command to create a new React project.

npx create-react-app my-app
cd my-app
npm start

Step 2: Import react component.

After installing, you have to import your React component.

import React from 'react';
import './App.css';

Step 3: Create a Component.

You can use className="background-container" to change opacity of background image in react js.

<div className="background-container">
  <h1>Welcome To aHoisting!</h1>
</div>

Change opacity of background image example.

The below code is an example of a React. You have to import './App.css' and set opacity: 0.5; in .background-container to change opacity of background image in react js.

App.js

import React from 'react';
import './App.css';

function App() {
  return (
    <div className="background-container">
      <h1>Welcome To aHoisting!</h1>
    </div>
  );
}

export default App;

App.css

.background-container {
  position: relative;
  width: 100%;
  height: 100vh; /* Full height */
  background-image: url('nature.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.5;
}

In the above code example, I have used the opacity: 0.5; to change opacity of background image in react js.

Check the output of the above code.

All the best 👍