Untitled

<!DOCTYPE HTML>

<head>
	<style>

		div {
  		height: 100px;
  		width: 100px;
  		margin: 20px auto;
  		border: 2px solid black;
  		background-color: green;
  		display: inline-block;
	}

	</style>
	<title>
		TEST
	</title>
</head>

<body>
	<div class="first">Test</div>
	<div class="second">Test</div>
	<div class="third">Test</div>
</body>