How to add black transparent layer in react using css?

December 05, 2024

Hi Friends 👋,

Welcome To aHoisting!

To add black transparent layer in react using css, you can use background-color: rgba(0, 0, 0, 0.5); in .transparent-layer. It will add black transparent layer in react using css.

Today, I am going to show you, how to add black transparent layer in react using css.

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"; // Import your CSS file
import logo from "./beautiful-nature.jpeg"

Step 3: Create a Component.

You can use className="transparent-layer" to add black transparent layer in react using css.

<div style={{ position: "relative", height: "400px", overflow: "hidden" }}>
  <img
    src={logo}
    alt="Background"
    style={{ width: "100%", height: "100%", objectFit: "cover" }}
  />
  <div className="transparent-layer"></div>
  <div style={{ position: "absolute", zIndex: 2, color: "white", top: "50%", left: "50%", transform: "translate(-50%, -50%)", textAlign: "center" }}>
        <h1>Welcome To aHoisting!</h1>
  </div>
</div>

App black transparent layer example.

The below code is an example of a React. You have to import "./App.css" and set background-color: rgba(0, 0, 0, 0.5); in .transparent-layer to add black transparent layer in react using css.

App.js

import React from "react";
import "./App.css"; // Import your CSS file
import logo from "./beautiful-nature.jpeg"

const App = () => {
  return (
    <div style={{ position: "relative", height: "400px", overflow: "hidden" }}>
      <img
        src={logo}
        alt="Background"
        style={{ width: "100%", height: "100%", objectFit: "cover" }}
      />
      <div className="transparent-layer"></div>
      <div style={{ position: "absolute", zIndex: 2, color: "white", top: "50%", left: "50%", transform: "translate(-50%, -50%)", textAlign: "center" }}>
        <h1>Welcome To aHoisting!</h1>
      </div>
    </div>
  );
};

export default App;

App.css

.transparent-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5); 
  z-index: 1; 
  pointer-events: none; 
}

In the above code example, I have used the background-color: rgba(0, 0, 0, 0.5); to add black transparent layer in react using css.

Check the output of the above code.

All the best 👍