JSFiddle - React, Tailwind, and code Playground

HTML

<div class="fixed"></div>
<div class="next">
    <img src="http://www.blogdudimanche.fr/wp-content/uploads/2013/05/tumblr_lvf79p2YpD1qaobbko1_500_large.jpg" width="400" height="400">
</div>
    
<p>scroll down</p>

CSS

body {
    height: 1500px;
    margin: 0;
}

.fixed {
    position: fixed;
    top: 0;
    left: 0;
    width: 400px;
    height: 50px;
    background: green;
}

.next {
    margin-top: 60px;
}