JSFiddle - React, Tailwind, and code Playground

HTML

<div id="banner">
    <img src="http://placehold.it/150x150" alt="" />
</div>

CSS

#banner {
    width: 100%;
    height: 200px;
    background: lightblue;
}

#banner img {
    display: block;
    margin: auto;
}