div中的内容垂直居中的五种方法_html/css_WEB-ITnose
一、行高(line-height)法
如果要垂直居中的只有一行或几个文字,那它的制作最为简单,只要让文字的行高和容器的高度相同即可,比如:
p { height:30px; line-height:30px; width:100px; overflow:hidden; }
这段代码可以达到让文字在段落中垂直居中的效果。
二、内边距(padding)法
另一种方法和行高法很相似,它同样适合一行或几行文字垂直居中,原理就是利用padding将内容垂直居中,比如:
p { padding:20px 0; }
这段代码的效果和line-height法差不多。
三、模拟表格法
将容器设置为display:table,然后将子元素也就是要垂直居中显示的元素设置为display:table-cell,然后加上vertical-align:middle来实现。
html结构如下:
<div id="wrapper"> <div id="cell"> <p>测试垂直居中效果测试垂直居中效果</p> <p>测试垂直居中效果测试垂直居中效果</p> </div></div>
css代码:
#wrapper {display:table;width:300px;height:300px;background:#000;margin:0 auto;color:red;}#cell{display:table-cell; vertical-align:middle;}
实现如图所示:
遗憾的是IE7及以下不支持。
四、CSS3的transform来实现
css代码如下:
.center-vertical{ position: relative; top:50%; transform:translateY(-50%);}.center-horizontal{ position: relative; left:50%; transform:translateX(-50%); }
五:css3的box方法实现水平垂直居中
html代码:
<div class="center"> <div class="text"> <p>我是多行文字</p> <p>我是多行文字</p> <p>我是多行文字</p> </div></div>
css代码:
.center { width: 300px; height: 200px; padding: 10px; border: 1px solid #ccc; background:#000; color:#fff; margin: 20px auto; display: -webkit-box; -webkit-box-orient: horizontal; -webkit-box-pack: center; -webkit-box-align: center; display: -moz-box; -moz-box-orient: horizontal; -moz-box-pack: center; -moz-box-align: center; display: -o-box; -o-box-orient: horizontal; -o-box-pack: center; -o-box-align: center; display: -ms-box; -ms-box-orient: horizontal; -ms-box-pack: center; -ms-box-align: center; display: box; box-orient: horizontal; box-pack: center; box-align: center;}
结果如图:
作者:风雨后见彩虹
出处:http://www.cnblogs.com/moqiutao/
如果您觉得本文对您的学习有所帮助,请多支持与鼓励。

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