JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <img src='http://www.vanpaul.com/logo_design/images/stackoverflow.jpg' />
</div>

CSS

div {
    border: solid 1px green;
    width: 200px;
    height: 500px;
}

div img {
    max-width: 100%;
    max-height: 100%;
    outline: solid 1px red;
}