JSFiddle - React, Tailwind, and code Playground

HTML

<div class="box">
  <img src="http://lorempixel.com/200/200">
</div>

CSS

.box{
  widht: 300px;
  background: blue;
  height: 600px;
}
img{
  position: relative;
  top: 50%;
  transform: translateY(-50%);
}