Hosy~Ye 的部落宅

div居中之flexbox

2018-03-22 

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

<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<meta http-equiv="X-UA-Compatible" content="ie=edge">
	<title>div居中布局之flexbox</title>
</head>
<style>
	/*display: flex; justify-content: center; align-items: center;水平和垂直都居中*/

	/*display: flex; justify-content: center;水平居中 */

	/*display: flex; align-items: center;垂直居中*/

	body {
		margin: 0;
		padding: 0;
	}

	/* 这样可以使用flexbox制作类似整个登录界面的绝对居中效果 */

	.wrap {
		/* vh是相对视口高度 */
		height: 100vh;
		background-color: #cccccc;
		/* flexbox */
		display: flex;
		/* 水平居中 */
		justify-content: center;
		/* 垂直居中 */
		align-items: center;
	}

	.test {
		width: 400px;
		height: 200px;
		background-color: bisque;
	}
</style>

<body>
	<div class="wrap">
		<div class="test"></div>
	</div>
</body>

</html>