JSFiddle - React, Tailwind, and code Playground

HTML

<div>
      <ul>
        <li>
          1  
        </li>
        <li>
          2  
        </li>
        <li>
          3  
        </li>
        <li>
          4  
        </li>
        <li>
          5  
        </li>
        <li>
          6
        </li>      
      </ul>
    </div>

CSS

div
{ 
 border: 1px solid red;
 height: 100px;
 width:300px;
}