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垂直/水平居中

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Jun 07, 2016 am 11:45 AM

垂直/水平居中的几种方法:
1.[原理] 设定宽度和高度，父节点为 position:relative; CSS是这样写的:position:absolute;left:50%;top:50%;<br> margin-left:-元素自身宽度的一半;<br> margin-top:-元素自身高度的一半;2.[原理] table, 用起来就更简单了, 只要添加:text-algin:center;<br> vertical-align:middle;[方法] 提供模板化的CSS class方法, 规则如下:<div> <br> <div> <br> <div> <br> <a><img src="/static/imghwm/default1.png" data-src="http://www.eologo.cn/index/Tpl/default//public/images/logo.gif" class="lazy" alt="垂直/水平居中" ></a><br> </div> <br> </div> <br> </div> 样式:.sl-hvalign{<br> display:table;<br> overflow:hidden;<br> margin:0 auto;<br> height: 100%;<br> *position:relative;<br> }<br> <br> .sl-hvalign-cnt{<br> display:table-cell;<br> vertical-align: middle;<br> *position:absolute;<br> top:50%;<br> }<br> <br> .sl-hvalign-cnt-inner{<br> *position:relative;<br> *top:-50%;<br> }

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