JSFiddle - React, Tailwind, and code Playground

HTML

<div id="container">
    <img src="http://cdn.sstatic.net/stackoverflow/img/apple-touch-icon.png" />
</div>

CSS

#container {
    width: 200px;
    line-height: 200px;
    border: 1px solid #bbb;
}
#container img {
    display: table-caption;
    vertical-align: middle;
    border: 1px solid #bbb;
    margin-left: auto;
    margin-right: auto;
}