React js example. error 500 page

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1. First, we need fresh reactjs setup, and for that, we need to run below commands into out terminal, and also we should have latest node version installed on our system:

npx create-react-app my-awesome-project

cd my-awesome-project

npm start

2. Now we need to run below commands into our project terminal to get bootstrap and related modules into our reactjs application:

npm install [email protected] --save

npm start //For start project again

3. Finally for the main output, we need to add below code into our my-awesome-project/src/App.js file or if you have fresh setup then you can replace my-awesome-project/src/App.js file code with below code:

import React from 'react';
import './App.css';
import 'bootstrap/dist/css/bootstrap.min.css';


function App() {
  
	return (
		<div>
			<link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css" rel="stylesheet"/>
<div class="error-header"> </div>
<div class="container ">
    <section class="error-container text-center">
        <h1>500</h1>
        <div class="error-divider">
            <h2>ooops!!</h2>
            <p class="description">SOMETHING WENT WRONG.</p>
        </div>
        <a href="#index.html" class="return-btn"><i class="fa fa-home"></i>Home</a>
    </section>
</div>
		</div>
	);
}
export default App;

4. Now we need to add below code into our my-awesome-project/src/App.css file :

body{
    background-color: #39bbdb;
    color: #fff;
    padding-bottom: 0;
    min-height: 100%;
    font-family: 'Open Sans','Segoe UI';
    font-size: 13px;
}

.error-header {
  background: #fff;
  height: 180px;
}

.error-container {
  background: rgba(0,0,0,.05);
  text-align: center;
}

.error-container h1 {
  color: #39bbdb;
}

.error-container h1 {
  font-size: 110px;
  font-weight: 300;
  margin: -103px 0 0 0;
  text-align: center;
}

.error-divider {
  margin-top: -27px;
  padding: 30px 0;
}

.error-container h2 {
  font-size: 58px;
  font-weight: 300;
  margin: 0;
  text-transform: uppercase;
}

.error-container p.description {
  color: #e5e5e5;
  font-size: 40px;
  margin: 0;
}

.return-btn, .return-btn:hover {
  border: 1px solid rgba(255,255,255,.3);
  padding: 10px 15px;
  margin-top: 100px;
  margin-bottom: 30px;
  display: inline-block;
  -webkit-border-radius: 5px;
  -webkit-background-clip: padding-box;
  -moz-border-radius: 5px;
  -moz-background-clip: padding;
  border-radius: 5px;
  background-clip: padding-box;
  color: #fff;
  font-size: 16px;
  font-weight: 300;
}

a:hover{
    text-decoration:none;    
}