  class to easily center the text.
                    </p>
                    
                    <pre class="bg-dark text-white rounded my-3">
                    <code>
            &lt;div class="text-center"&gt;
               &lt;h1>Hello World&lt;/h1&gt;
               &lt;p&gt;
               There's Bootstrap 4 here.
               &lt;/p&gt;
            &lt;/div&gt;
                    </code>
                    </pre>
                    
                    <p class="lead">
                   