JSFiddle - React, Tailwind, and code Playground

HTML

<div id="content">
hello world!
</div>

CSS

@charset "utf-8";
/* CSS Document */

body {
background-color:#FFF; 
}

#content {
width:980px;
background-color:#FCC;
position: absolute;
display:block;
margin-left: auto; 
margin-right: auto;
top: 0px;
bottom:0px;
text-align:center;
}