JSFiddle - React, Tailwind, and code Playground

HTML

<!doctype html>

<html lang="en">

<head>
<link rel="stylesheet" href="main.css"> 	
</head>

<body>
	<div class="container">
		<div class="box">
		</div>
	</div>	
</body>

</html>

CSS

.container
{
	width:500px;
	height: 500px;
	background-color: grey;
	margin-top: 00px;
}

.box
{
	width:100px;
	height: 100px;
	background-color: orange;
	margin-top: 100px;

}