JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//code.jquery.com/jquery-3.3.1.slim.min.js"></script>
<link rel="stylesheet" href="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
<script src="//cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js"></script>
<script src="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<div id="container">
  <div class="box">
    <h2>Heading</h2>
    Lorem ipsum dolor sit amet, consectetur adipisicing elit. Voluptas corporis et nesciunt esse quas eos illum, facere voluptate, iure officiis.
  </div>
   <div class="box">
    <h2>Heading</h2>
    Lorem ipsum dolor sit amet, consectetur adipisicing elit. Voluptas corporis et nesciunt esse quas eos illum, facere voluptate, iure officiis.
  </div>
   <div class="box">
    <h2>Heading</h2>
    Lorem ipsum dolor sit amet, consectetur adipisicing elit. Voluptas corporis et nesciunt esse quas eos illum, facere voluptate, iure officiis.
  </div>
   <div class="box">
    <h2>Heading</h2>
    Lorem ipsum dolor sit amet, consectetur adipisicing elit. Voluptas corporis et nesciunt esse quas eos illum, facere voluptate, iure officiis.
  </div>
   <div class="box">
    <h2>Heading</h2>
    Lorem ipsum dolor sit amet, consectetur adipisicing elit. Voluptas corporis et nesciunt esse quas eos illum, facere voluptate, iure officiis.
  </div>
  

  

    
</div>

CSS

#container {
  border: 3px solid #000;
  overflow: auto;
  margin: 10px;
  height: 240px;
  
  display: flex;
  align-items: center;
  justify-content: center;

  
}

.box {
  
  width: 500px;
  
  margin: 10px;
  background-color: red;
  border: 1px solid #000;
  
  color: #000;
  padding: 10px;
  
}