css的浮动
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>css的浮动</title>
<link rel="shortcut icon" type="image/x-icon" href="images/wwc.jpg">
<style type="text/css">
ul li{list-style: none;width: 100px;height: 40px;line-height: 40px;text-align: center;background-color: #ccc;margin: 0px 1px;float: left;}
.box1{width: 200px;height: 200px;background-color: pink;float: right; }
.clear{clear: both;}
</style>
</head>
<body>
<ul>
<li>html</li>
<li>css</li>
<li>我问问</li>
<li>极速代码</li>
<li>河南万科</li>
<ul>
<div class="clear"></div>
<div class="box1">div1</div>
<div class="box1">div2</div>
<div class="box1">div3</div>
</body>
</html>
position定义元素在页面中的位置的 relative相对定位