JSFiddle - React, Tailwind, and code Playground

HTML

<section class="main">
    <div id="greeting">
        <p>Hi, This is the greeting part of my site.</p>
    </div>
</section>

CSS

section.main{
        display: table;
        border:  2px solid #999;
        height: 200px;
        width: 200px;
        background-color: #ccc;
        border-radius: 50%;
        padding: 7rem;
    }

    section.main > #greeting{
        display: table-cell;
        text-align: center;
        vertical-align: middle
    }