JSFiddle - React, Tailwind, and code Playground

HTML

<ul id="container">
    <li>Article 1</li>
    <li>Article 2</li>
    <li>Article 3</li>
    <li>Article 4</li>
    <li>Article 5</li>
    <li>Article 6</li>
    <li>Article 7</li>
    <li>Article 8</li>
  </ul>

CSS

ul#container {
	height: 100px; 
  	overflow-y: auto;
}