JSFiddle - React, Tailwind, and code Playground

HTML

<div>
<img style="width:30px;height:30px;" src="http://lorempixel.com/output/abstract-q-c-640-480-8.jpg" />
<span>Doesn't work.</span>
</div>

CSS

div {
 display: flex;
 align-items: center;
}