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

<head>
	<meta charset="UTF-8">
	<title>CSS3 Flexible Box Layout</title>
	<style>
		.flexbox {
			background-color: dimgray;
			width: 400px;
			height: 250px;
			margin: 10px 0;
			border-radius: 15px;
			display: -webkit-flex;
			display: flex;
			-webkit-flex-wrap: wrap;
			flex-wrap: wrap;
		}
		.item {
			background-color: darkgray;
			border-radius: 10px;
			width: 80px;
			height: 50px;
			color: white;
			font-size: 20px;
			text-align: center;
			line-height: 50px;
			margin: auto;
		}
	</style>
</head>

<body>

	<h1>margin 속성을 이용한 플렉스 요소의 가운데 정렬</h1>

	<div class="flexbox">
		<div class="item">Center</div>
	</div>

</body>

</html>