摘要：<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xml
<!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=gb2312" />
<title>css float</title>
<style type="text/css">
ul li{list-style:none; with:100px; height:20px; line-height:20px; text-align:center; background:
#00CC00; margin:0px 1px; float: left;}
.box{width:300px; height:300px; background: #CCCCCC; float: left}
.clear{clear:both;}
</style>
</head>
<body>
<ul>
<li>html</li>
<li>css</li>
<li>javascript</li>
<li>jquery</li>
<li>php</li>
</ul>
<div class="clear"></div>
<div class="box">div1</div>
<div class="box">div2</div>
<div class="box">div3</div>
</body>
</html>float常用定位方式有 absolute和relative
清除浮动用.clear：both
批改老师：灭绝师太批改时间：2018-12-07 13:59:34
老师总结：float是float.定位是定位奥！这是很基础的东西，不要混淆，需要在复习一下！
