JSFiddle - React, Tailwind, and code Playground

HTML

<img src="https://lh3.googleusercontent.com/-SY8jHmWzybQ/VNAquNkygoI/AAAAAAAAAbk/jhkalxiMSFQ/s630-fcrop64=1,207749addee7b651/2048x2048-black-solid-color-background.jpg">
<div>Why is there a white gap above?</div>

CSS

div { background-color: blue; }