JSFiddle - React, Tailwind, and code Playground

HTML

<body>
     <section>
         <article id="art1">stuff</article>  
     </section>
</body>

CSS

html, body {
	height:100%;
	width:100%;
	padding:0;
	margin:0;
}
section{
	min-height:100%;
    background-color: #cc333f;
}
article{
	height:100%;
    background-color:#00A0B0;
}