JSFiddle - React, Tailwind, and code Playground

HTML

<div class="wrapper"><div class="inner">This is vertically centered</div></div>

CSS

div.wrapper {
    display: table-cell;
    vertical-align: middle;
    height: 200px;
    width: 300px;
    background-color: #ff0000;
    text-align: center;
}

div.inner {
    display: inline-block;
}