JSFiddle - React, Tailwind, and code Playground

HTML

<div id="a">

    <div id="b">
        <ul>
        <li>some contents goes here.. </li>
            <li>some contents goes here..</li>
            <li> some contents goes here..</li>
        </ul>
    </div>

</div>

CSS

#a    {
        border: 2px solid;
        text-align: center;
    }