JSFiddle - React, Tailwind, and code Playground

HTML

<div id="container">
  <img src="http://silberschauer.de/img/pre/045.jpg" />
</div>

CSS

#container {
  position: absolute;
  top: 1em;
  left: 1em;
  bottom: 2em;
  width: 30%;
  background: #0f0;
  overflow: hidden;
}

#container img {
  width:100%;
  position: absolute;
  margin: auto;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
 }