css/css-flexbox/reference/flex-margin-no-collapse-ref.html

<!DOCTYPE html>
<html>
<head>
	<title>CSS Flexible Box Reference File</title>
	<link rel="author" title="Ping Huang" href="mailto:phuangce@gmail.com" />
	<style type="text/css">
		#container {
			position: absolute;
			top: 100px;
			left: 10px;
			width: 200px;
			height: 300px;
		}

		.box {
			width: 100px;
			height: 100px;
			background-color: green;
		}

		#box1 {
			margin: 50px 0;
		}

		#box2 {
			margin: 100px 0;
		}

	</style>
</head>
<body>
	<p>The test passes if there are two green boxes and no red.</p>
	<div id="container">
		<div id="box1" class="box"></div>
		<div id="box2" class="box"></div>
	</div>
</body>
</html>