abstract：<html> <head> <meat charset=utf-8 /> <title>导航
<html>
<head>
<meat charset=utf-8 />
<title>导航</title>
<style>
div{width:100%;height:40px;background:#ccc;}
ul li{list-style:none;float:left;color:#f40;
line-height:40px;margin-left:5px;}
</style>
</head>
<body>
<div>
<ul>
<li>登陆</li>
<li>注册</li>
<li>商品</li>
<li>购物</li>
<li>工具</li>
</ul>
</div>
</body>
</html>
Correcting teacher：灭绝师太Correction time：2019-03-05 13:31:24
Teacher's summary：前端浮动是魔鬼,要注意必要的时候清除浮动,避免布局错误!