layout/one.html at master · CrazyaCoding/layout · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>一列垂直居中-9种思路</title>
	<style>
		*{
			margin:0;
			padding:0;
		}
		.box{
			width: 700px;
			height: 300px;
			margin: 0 auto 50px;
			border:2px solid green;
		}
		p.tit{
			text-align: center;
			font-size: 30px;
			font-weight: bold;
			margin-bottom: 10px;
		}

		.box p{
			background: yellow;
		}

		.box1{
			line-height: 300px;
		}

		.box2{
			position: relative;
		}
		.box2 p{
			position: absolute;
			top: 50%;
			height: 100px;
			margin-top: -50px;
		}

		.box3{
			position: relative;
		}
		.box3 p{
			position: absolute;
			top:50%;
			transform: translateY(50%);
		}

		.box4{
			display: table-cell;
			vertical-align: middle;
		}

		.box5{
			position: relative;

		}
		.box5 p{
			position: fixed;
			top:0;
			bottom:0;
			left:0;
			right:0;
			margin:auto;
			width: 100px;
			height: 100px;
		}

		.box6{

		}
		.box6:before{
			content: "";
			height: 100%;
			vertical-align: middle;
			visibility: hidden;
			display: inline-block;
		}
		.box6 p{
			display: inline-block;
		}

		.box7{

		}
		.box7 span{
			height: 100%;
			width: 1px;
			vertical-align: middle;
			display: inline-block;
		}
		.box7 p{
			display: inline-block;
		}

		.box8{
			display: -webkit-box;
			-webkit-box-align:center;
		}

		.box9{
			position: relative;
		}
		.box9 p{
			position: absolute;
			height: 100px;
			top: -webkit-calc(50% - 100px / 2);
		}
	</style>
</head>
<body>
	<p class="tit">line-height</p>
	<div class="box box1">喵喵哒~</div>

	<p class="tit">absolute+margin</p>
	<div class="box box2">
		<p>
			汪汪汪~
		</p>
	</div>

	<p class="tit">absolute + tansform(定位元素基准为父元素，transform偏移参考点为自身)</p>
	<div class="box box3">
		<p>biabiabia~</p>
	</div>

	<p class="tit">table-cell</p>
	<div class="box box4">
		<p>强强强强</p>
	</div>

	<p class="tit">fixed margin</p>
	<div class="box box5">
		<p>劳资来啦！</p>
	</div>

	<p class="tit">before+margin</p>
	<div class="box box6">
		<p>bibibibibibibo~</p>
	</div>

	<p class="tit">vertical-align</p>
	<div class="box box7">
	<span></span>
		<p>哈哈哈哈哈哈</p>
	</div>

	<p class="tit">-webkit-box</p>
	<div class="box box8">
		<p>balala;a;a;;a;a</p>
	</div>

	<p class="tit">absolute + calc</p>
	<div class="box box9">
		<p>biubiubiubiubiu---></p>
	</div>

</body>
</html>