JSFiddle - React, Tailwind, and code Playground

HTML

<div id="box-container">
	<div id="box-red"></div>
	<div id="box-green"></div>
  <div id="box-blue"></div>
</div>

CSS

#box-container {
		position: relative;  
		height: 200px;   
		background: black;
    padding: 10px;
	}
	#box-red {
		position: static;
		height: 50px;
		background: red;
	}
	#box-green {
	  position: static;
		height: 50px;
		background: green;
	}
  #box-blue {
	  position: static;
		height: 50px;
		background: blue;
	}