<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html lang="en">
<head>
<meta http-equiv="content-type" content="text/html; charset=iso-8859-1">
<title>"float: left" element </title>
<style type="text/css" media="screen">
body {
margin: 20px;
padding: 0;
font: normal 85% arial, helvetica, sans-serif;
color: #000;
background-color: #fff;
}
.containingbox {
width: 400px;
height: 400px;
border: 1px solid #000;
}
.floatleft {
float: left;
width: 100px;
height: 100px;
border: 2px solid #F63;
}
p.highlight { border: 5px solid #aaa; }
</style>
</head>
<body>
<div class="containingbox">
<div class="floatleft"></div>
<p class="highlight">Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat. Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat, vel illum dolore eu feugiat nulla facilisis at vero eros et accumsan et iusto odio dignissim qui blandit praesent luptatum zzril delenit augue duis dolore te feugait nulla facilisi.</p>
</div>
</body>
</html>
问题:
为什么这个带有边框的块内容:<p class="highlight">Lorem ipsum...</p>
不显示在同一级别<div class="floatleft"></div>
?当我使用萤火虫检查它(<p class="highlight">Lorem ipsum...</p>
)时,似乎有margin-top
并margin-bottom
设置它,但margin
css中没有代码。所以为什么?