JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html lang="en">

<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<link rel="stylesheet" href="styles.css">
</head>


<div class="container">
	<div class="seat-screen">Е К Р А Н</div>
	<div class="seat-container">
		<div class="seat" style="left: .5em; top: .5em"></div>
		<div class="seat" style="left: 3.5em; top: .5em"></div>
		<div class="seat" style="left: 6.5em; top: .5em"></div>
		<div class="seat" style="left: 20.5em; top: .5em"></div>
		<div class="seat" style="left: 23.5em; top: .5em"></div>
		<div class="seat" style="left: 26.5em; top: .5em"></div>
				
		<div class="seat" style="left: .5em; top: 4em"></div>
		<div class="seat" style="left: 3.5em; top: 4em"></div>
		<div class="seat" style="left: 6.5em; top: 4em"></div>
		<div class="seat" style="left: 10.5em; top: 4em"></div>
		<div class="seat" style="left: 13.5em; top: 4em"></div>
		<div class="seat" style="left: 16.5em; top: 4em"></div>
		<div class="seat" style="left: 20.5em; top: 4em"></div>
		<div class="seat" style="left: 23.5em; top: 4em"></div>
		<div class="seat" style="left: 26.5em; top: 4em"></div>
				
		<div class="seat seat-special" style="left: 4em; top: 9em"></div>
		<div class="seat seat-special" style="left: 10em; top: 9em"></div>
		<div class="seat seat-special" style="left: 15em; top: 9em"></div>
		<div class="seat seat-special" style="left: 21em; top: 9em"></div>
	</div>
</div>

CSS

html, body {
/*	height: 100%;*/
}
.container {
	margin: 25px;
	padding: 10px;
	border:1px solid black;
	min-width: 35em;
	font-size: 1em;
}
.seat-screen {
	height: 25px;
	background-color: azure;
	color: cadetblue;
	display: flex;
    align-items: center;
	justify-content: center;
}
.seat-container {
	border:1px dashed black;
	margin: 0 auto;
	border-radius: 5px;	
	position: relative;
	height: calc(20em - 25px);
	width: 30em;
}
.seat {
	border-radius: .3em;
	background-color: royalblue;
	width: 2em;
	height: 3em;
	position: absolute;
	cursor: pointer;
}

.seat-special {
	background-color: limegreen;
	width: 4em;
	height: 2.5em
}