JSFiddle - React, Tailwind, and code Playground

HTML

<div id="test1"><img src="http://www.interactivepixel.net/images/i01.jpg" width="500" height="333"/></div>

CSS

#test1{
    position:absolute;
    top:50%;    
    left:50%;
    width:500px;
    height:333px;
    margin-top:-166px;
    margin-left:-250px;
}