<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[a221936500的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/a221936500</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; a221936500]]></copyright><item><title><![CDATA[css清楚浮动的方法 -常用的3种]]></title><link>https://blog.youkuaiyun.com/a221936500/article/details/39544839</link><guid>https://blog.youkuaiyun.com/a221936500/article/details/39544839</guid><author>a221936500</author><pubDate>Thu, 25 Sep 2014 08:00:47 +0800</pubDate><description><![CDATA[常用的清除浮动的方法有以下三种:

此为未清除浮动源代码，运行代码无法查看到父级元素浅黄色背景。

复制代码


*{margin:0;padding:0;}
body{font:36px bold; color:#F00; text-align:center;}
#layout{background:#FF9;}
#left{float:left;width:20%;heig]]></description><category></category></item></channel></rss>