前端-第六天--作业

<ul class="b1">
    <li class="b2"><a href="https://www.samsungeshop.com.cn/phone" >智能手机</a></li>
    <li class="b2"><a href="https://www.samsungeshop.com.cn/wearables" >可穿戴设备</a></li>
    <li class="b2"><a href="https://www.samsungeshop.com.cn/item/SM-T835.htm" >个人电脑</a></li>
    <li class="b2"><a href="https://www.samsungeshop.com.cn/airpurifier" >空气净化器</a></li>
    <li class="b2"><a href="https://www.samsungeshop.com.cn/accessories" >配件</a></li>
    <li class="b2"><a href="https://www.samsungeshop.com.cn/" ><img src="img\三星logo.png" width="120px" height="20px"></a></li>
    <li class="b2"><a href="http://livechat.support.samsung.com:8003/customer_cn/cn" >4000718899</a></li>
    <li class="b2"><a href="http://care3.live800.com/live800/chatClient/chatbox.jsp?companyID=8146&configID=1471&enterurl=https://www.samsungeshop.com.cn&timestamp=1540095681551&pagereferrer=&pagetitle=%E4%B8%AD%E5%9B%BD%E4%B8%89%E6%98%9F%E7%94%B5%E5%AD%90%20%E4%B8%89%E6%98%9F%E7%BD%91%E4%B8%8A%E5%95%86%E5%9F%8E" >在线客服</a></li>
    <li class="b2"><a href="https://account.samsung.cn/accounts/v1/shopCN/signInGate?locale=zh_CN&svcParam=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%3D" >登录</a></li>
    <li class="b2"><a href="https://www.samsungeshop.com.cn/shopping/cart.htm" >购物车</a></li>
</ul>

样式：
a:hover{
background-color: skyblue;
}
.b1{
width: 1200px;
list-style: none;
background-color: white;
margin: 50px auto;
overflow: hidden;
font-weight: bold;
}
.b2{
float: left;
width: 10%;
}
.b1 a{
display: block;
width: 100%;
text-align: center;
padding: 5px 0;
text-decoration: none;
color: black;
}