JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
  <img class="center" src="http://lorempixel.com/400/200" />
</div>

CSS

html, body, .container {
  height:100%;
}

.container {
  display:flex;
  justify-content: center;
}

.center {
  align-self: center;
}