JSFiddle - React, Tailwind, and code Playground

HTML

<p>There should be a green rectangle below.</p>
<div>
 <table bgcolor="transparent"></table>
</div>

CSS

div {
 width: 100px;
 height: 100px;
 background-color: green;
 padding: 0px;
}
table {
 width: 100%; height: 100%;
}