JSFiddle - React, Tailwind, and code Playground

HTML

<div id="container">
    <img id="centrelized" src="http://www.thedevelopersconference.com.br/img/fotos/2013/felipe-moura.jpg"/>
</div>

CSS

body, html { height: 100%; margin: 0;}

#container {
    position: relative;
    width: 100%;
    height: 100%;
    background: red;
    left: 0;
    top: 0;
}

#centrelized {
    margin: auto;
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    height: 100px;
    margin-top: -50px;
    width: 100px;
    margin-left: -50px;
}