abstract：<!DOCTYPE html><html><head> <meta charset="utf-8"> <link rel="stylesheet" type="text/css" href="css/index.css"> <li
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<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">
<title>小米导航</title>
<style type="text/css">
*{margin:0px;padding:0px;}
a{text-decoration: none;font-size: 12px;color: #B0B0B0;}
.clear{clear:both;}
.header{width: 100%;height: 40px;background-color: #333333;}
.header_content{width: 1250px;height:40px;margin:0 auto;line-height: 40px;}
.header_content span{color: #3E3E3E;}
.header_content_left{width: 700px;height: 40px;float: left;}
.header_content_right{width: 278px;height: 40px;float: right;}
.header a{margin-right: 6px; }
.header a:hover{color: #fff;}
.header_a{width: 122px;background-color: #424242;display: inline-block;text-align: center;float: right;color:#B0B0B0; }
.header_a:hover{width: 122px;background-color: #000;}
</style>
</head>
<body>
<div class="header">
<div class="header_content">
<div class="header_content_left">
<a href="">小米商城</a><span>|</span>
<a href="">MIUI</a><span>|</span>
<a href="">loT</a><span>|</span>
<a href="">云服务</a><span>|</span>
<a href="">金融</a><span>|</span>
<a href="">有品</a><span>|</span>
<a href="">小爱开放平台</a><span>|</span>
<a href="">政企服务</a><span>|</span>
<a href="">资质证照</a><span>|</span>
<a href="">协议规则</a><span>|</span>
<a href="">下载APP</a><span>|</span>
<a href="">Select Region</a>
</div>
<div class="header_content_right">
<a href="">登入</a><span>|</span>
<a href="">注册</a><span>|</span>
<a href="">消息通知</a>
<a href="" class="header_a" ><i class="fa fa-shopping-cart"></i> 购物车（0）</a>
</div>
</div>
<div class="clear"></div>
</div>
</body>
</html>老师我想问下，购物车那款单独做鼠标经过颜色字体改变，我做不了。只能继承a的经过颜色白色。这个要怎么改啊。
Correcting teacher：查无此人Correction time：2019-01-14 09:53:30
Teacher's summary：完成的不错。有问题可以提交工单，或在群里问。作业问的问题，我回答后，你无法追问。发出来，让灭绝老师给你看看。