為什么把溢出的部分設置成隱藏，就可以清楚浮動的影響呢
overflow-hidden的作用不是讓子包含塊多出來的內容隱藏起來嗎
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>無標題文檔</title>
<style type="text/css">
* {
? ? margin:0;
? ? padding:0;
}
#wrap {
background:#00C;
margin:0 auto;
width:960px;
}
#header {
background:#FF3300;
width:100%;
}
#mainbody {
? ?background:#FC0;
? ?overflow:hidden;
}
.left {
width:800px;
height:200px;
background:#000;
float:left;;
}
.right {
width:140px;
height:500px;
background:#690;
float:left;
}
#footer {
background:#639;
width:100%;
}
</style>
</head>
<body>
<div id="wrap">
? <div id="header">頭部</div>
? <div id="mainbody">
? ? <div class="left"></div>
? ? <div class="right"></div>
? </div>
? <div id="footer">版權部分</div>
</div>
</body>
<html>
2015-12-22
http://sentsin.com/web/529.html? ?BFC