JSFiddle - React, Tailwind, and code Playground

HTML

<div class="wrapper">
    <div class="imageHolder">
        <img src='http://placehold.it/500x500' />
    <div>
</div>

CSS

.wrapper {
    width: 900px;
}

.imageHolder {
    height: 400px;
    width: auto;
    background-color: green;
    float: left;
    max-width: 50%;
}

.imageHolder img {
    height: 100%;
}