盒子居中布局

示例代码如下：

<!-- css -->
<style>
	body {
		margin: 0;
		padding: 0;
	}
	.main {
		position: relative;
		height: 600px;
		background-color: #ccc;
	}
	.item {
		position: absolute;
		top: 50%;
		left: 50%;
		height: 100px;
		width: 100px;
		background-color: #ff5;
		margin-left: -50px;
		margin-top: -50px;
		/*text-align: center;
		line-height: 100px;*/
	}
}
</style>

<!-- html -->
<body>
	<div class="main">
		<div class="item">
			<span>1</span>
		</div>
	</div>
</body>
posted @ 2021-03-29 11:13  程序员陈师兄cxycsx  阅读(117)  评论(0)    收藏  举报