JSFiddle - React, Tailwind, and code Playground

HTML

<body>
	<div id="div1">
		<div id="div2">Test content</div>
	</div>
  </body>

CSS

body {
background-color: red;
display:flex;
flex-direction:column;
height:100vh;
}
#div1 {
display:flex;
flex-direction:column;
}
#div2 {
height:3060px;
background-color: green;
}