abstract：css* {margin:0px; padding:0px;}.clear{clear: both;}a{text-decoration: none; color: #000;font-size: 13px;}.header {width:100%;height:40px;background-color:#F5F5F5; }.header_content{width:1200px; height
css
* {margin:0px; padding:0px;}
.clear{clear: both;}
a{text-decoration: none; color: #000;font-size: 13px;}
.header {width:100%;height:40px;background-color:#F5F5F5; }
.header_content{width:1200px; height: 40px; margin: 0px auto; line-height: 40px}
.header_left{height:40px;float: left;}
.header_left a{margin-right:5px;}
.header_right{height:40px;float: right;}
.header_right a{margin-right:5px;}
/* .fl{ float: left;}
.fr{ float: right;} */
.header_content a:hover {color: #FF4400;}
.header_a{display: inline-block;height: 40px; width: 90px;text-align: center;}
.header_a:hover{background: #fff;}
html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>淘宝导航</title>
<link rel="stylesheet" type="text/css" href="css/index.css">
<link rel="stylesheet" type="text/css" href="css\font-awesome-4.7.0\css\font-awesome.min.css">
<style type="text/css">
/** {margin:0px; padding:0px;}
.header {width: 100%;height:40px;background-color : #F5F5F5; }*/
</style>
</head>
<body>
<div class = "header">
<div class="header_content">
<div class="header_left">
<a href="" class="header_a">中国大陆 <i class="fa fa-angle-down"></i></a>
<a href="" style="color:#FF4400">亲，请登录</a>
<a href="">免费注册</a>
<a href="">手机逛淘宝</a>
</div>
<div class="header_right">
<a href="" class="header_a">我的淘宝<span class="fa fa-angle-down"></span></a>
<a href=""class="header_a"><span class="fa fa-shopping-cart" style="color: #FF4400"></span> 购物车 <span class="fa fa-angle-down"></span></a>
<a href=""class="header_a"><span class="fa fa-star" style="color: #ccc"></span> 收藏夹 <span class="fa fa-angle-down"></span></a>
<a href="">商品分类</a> |
<a href="" class="header_a">千牛卖家中心 <span class="fa fa-angle-down"></span></a>
<a href="" class="header_a">联系客服 <span class="fa fa-angle-down"></span></a>
<a href="" class="header_a">
<span class="fa fa-bars" style="color: #FF4400"></span>
网站导航 <span class="fa fa-angle-down"></span></a>
</div>
</div>
<div class="clear"></div>
</div>
</body>
</html>
总结
了解了外部引用css样式重要性
css样式书写
字体库的使用
了解了网页头部导航层次
Correcting teacher：查无此人Correction time：2019-05-22 09:13:58
Teacher's summary：完成的不错，常用的css样式可以写到公用文件里，每个项目都可以加载这一个公用文件。继续加油。