JSFiddle - React, Tailwind, and code Playground

HTML

<div class="item">
    <img src="http://placehold.it/350x150">
 </div>

CSS

img {
    width: 100%;
    height: 100%;
}

.item {
    float: left;
    margin: 3px;
    padding: 3px;
    border: 1px dashed #000;
    width: 500px;
    height: 500px;
}