老师为什么我这个span控制不了大小和上下外边距了。只能控制边框。。已经高亮

原创 2018-12-04 00:44:14 409
摘要:<!DOCTYPE html><html><head><meta charset="UTF-8"><title>小米商城</title><link rel="icon" type="image/x-icon" href="images/footlogo

<!DOCTYPE html>

<html>

<head>

<meta charset="UTF-8">

<title>小米商城</title>

<link rel="icon" type="image/x-icon" href="images/footlogo.png">

<link rel="stylesheet" type="text/css" href="css/index.css">

<link rel="stylesheet" type="text/javascript" href="js/jquery-3.3.1.js">

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">

</head>

<body>

<div>

<div>导航div</div>

</div>

<div>

<div>

<div>主体导航</div>

<div>

<div></div>

<div></div>

</div>

<div></div>

<div>

<div></div>

<div style="background:url(images/midAD1.jpg)"></div>

<div style="background:url(images/midAD2.jpg)"></div>

<div style="background:url(images/midAD3.jpg); margin-right:0px;"></div>

</div>

<div></div>

<!-- 小米闪购 -->

<div>

<h1 style="margin:20px 0px;">小米闪购</h1>

<div style="border-top:1px solid #E53935; background-color:#F1EDED;"></div>

<div style="border-top:1px solid #FFAC13;"></div>

<div style="border-top:1px solid #83C44E;"></div>

<div style="border-top:1px solid #2196F3"></div>

<div style="margin-right:0px;border-top:1px solid #E53935;"></div>

</div>

<div></div>

<div style="background:url(images/longAD1.jpg)"></div>

</div>

</div>

<div style="background:#f5f5f5;">

<div>

<div>手机</div>

<div>

<div style="background:url(images/buy/手机AD.jpg")></div>

<div>

<div style="margin-right:13px;"></div>

<div style="margin-right:13px;"></div>

<div style="margin-right:13px;"></div>

<div></div>

<div style="margin-right:13px; margin-top:10px"></div>

<div style="margin-right:13px; margin-top:10px"></div>

<div style="margin-right:13px; margin-top:10px"></div>

<div style="margin-top:10px"></div>

</div>

</div>

<div></div>

<div style="background:url(images/longAD2.jpg)"></div>

<div>家电</div>

<div>

<div style="background:url(images/buy/家电AD1.jpg)"></div>

<div></div>

<div></div>

<div></div>

<div style="margin-right:0px;"></div>

<div style="background:url(images/buy/家电AD2.jpg);margin-top:10px;"></div>

<div style="margin-top:10px;"></div>

<div style="margin-top:10px;"></div>

<div style="margin-top:10px;"></div>

<div style="margin-top:10px; margin-right:0px; background:none;">

<div></div>

<div></div>

</div>

</div>

<div></div>

<div style="background:url(images/longAD3.jpg)"></div>

<div>智能</div>

<div>

<div style="background:url(images/buy/智能AD1.jpg)"></div>

<div></div>

<div></div>

<div></div>

<div style="margin-right:0px;"></div>

<div style="background:url(images/buy/智能AD2.jpg);margin-top:10px;"></div>

<div style="margin-top:10px;"></div>

<div style="margin-top:10px;"></div>

<div style="margin-top:10px;"></div>

<div style="margin-top:10px; margin-right:0px; background:none;">

<div></div>

<div></div>

</div>

</div>

<div style="background:url(images/longAD4.jpg)"></div>

</div>


</div>

<div>

<div>

<a href="https://www.mi.com/static/fast/" target="_blank"><i class="fa fa-wrench"></i>预约维修服务</a><span></span>

<a href="https://www.mi.com/service/exchange/#back" target="_blank"><i class="fa fa-rotate-right"></i>7天无理由退货</a><span></span>

<a href="https://www.mi.com/service/exchange/#back" target="_blank"><i class="fa fa-refresh"></i>15天免费换货</a><span></span>

<a href="https://www.mi.com/service/buy/postage/" target="_blank"><i class="fa fa-gift"></i>满150元包邮</a><span></span>

<a href="https://www.mi.com/static/maintainlocation/" target="_blank"><i class="fa fa-map-marker"></i>520余家售后网点</a>

</div>

<div></div>

<div>

<dl>

<dt>帮助中心</dt>

<dd><a href="">账户管理</a></dd>

<dd><a href="">购物指南</a></dd>

<dd><a href="">订单操作</a></dd>

</dl>

<dl>

<dt>服务支持</dt>

<dd><a href="">售后政策</a></dd>

<dd><a href="">自助服务</a></dd>

<dd><a href="">相关下载</a></dd>

</dl>

<dl>

<dt>线下门店</dt>

<dd><a href="">小米之家</a></dd>

<dd><a href="">服务网点</a></dd>

<dd><a href="">授权体验店</a></dd>

</dl>

<dl>

<dt>关于小米</dt>

<dd><a href="">了解小米</a></dd>

<dd><a href="">官方微信</a></dd>

<dd><a href="">投资者关系</a></dd>

</dl>

<dl>

<dt>关注我们</dt>

<dd><a href="">新浪微博</a></dd>

<dd><a href="">订单操作</a></dd>

<dd><a href="">联系我们</a></dd>

</dl>

<dl>

<dt>特色服务</dt>

<dd><a href="">F 码通道</a></dd>

<dd><a href="">礼物码</a></dd>

<dd><a href="">防伪查询</a></dd>

</dl>

<div>

<p>400-100-5678</p>

<p>周一至周日 8:00-18:00<br>(仅收市话费)</p>

<button><i class="fa fa-commenting"></i> 联系客服</button>

</div>

</div>


<div>

<div>

<img src="images/footlogo.png" alt="">

</div>

<div class="footer_last_texts">

<div class="footer_last_text1">
<ul>
<li><a href="">小米商城</a><span></span></li>
<li><a href="">MIUI</a><span></span></li>
<li><a href="">米家</a><span></span></li>
<li><a href="">米聊</a><span></span></li>
<li><a href="">多看</a><span></span></li>
<li><a href="">游戏</a><span></span></li>
<li><a href="">路由器</a><span></span></li>
<li><a href="">米粉卡</a><span></span></li>
<li><a href="">政企服务</a><span></span></li>
<li><a href="">小米天猫店</a><span></span></li>
<li><a href="">隐私政策</a><span></span></li>
<li><a href="">问题反馈</a><span></span></li>
<li><a href="">廉正举报</a><span></span></li>
<li><a href="">Select Region</a></li>
</ul>
</div>

<div class="footer_last_text2">

<a href="">© mi.com</a>

京ICP证110507号

<a href="">京ICP备10046444号</a>

<a href="">京公网安备11010802020134号</a>

<a href="">京网文[2017]1530-131号</a><br>

<a href="">(京)网械平台备字(2018)第00005号</a>

<a href="">互联网药品信息服务资格证 (京) -非经营性-2014-0090</a>

<a href="">营业执照</a>

<a href="">医疗器械公告</a><br>

违法和不良信息举报电话:185-0130-1238,本网站所列数据,除特殊说明,所有数据均出自我司实验室测试

</div>

</div>

<div class="footer_last_icon">

<img src="images/footericon1.png" alt="">

<img src="images/footericon2.png" alt="">

<img src="images/footericon3.png" alt="">

<img src="images/footericon4.png" alt="">

<img src="images/footericon5.png" alt="">

</div>

</div>

<div></div>

<div>

探索黑科技,小米为发烧而生

</div>

</div>

</body>

</html>





*{margin: 0px;padding: 0px;}

li{list-style: none;}

a{text-decoration: none;color: #ccc;cursor: pointer;}

.clear{clear: both;}

/*头部样式*/

.header{

width: 100%;

height: 40px;

background-color: #333;

}


.menu{

width: 1225px;

height: 40px;

background-color: #F5F5F5;

margin: 0px auto;

}


.content_1{

width: 1225px;

margin: 0px auto;

}


.content_nav{

height: 90px;

background-color: #F5F5F5;

margin: 10px auto;

}


.content_menu{


margin: 10px auto;

}


.content_menu_l{

width: 235px;

height: 500px;

background-color: #F5F5F5;

float: left;

}


.content_menu_r{

width: 990px;

height: 500px;

background-color: blue;

float: left;

}


.content_pic{

margin: 10px auto;

}


.content_pic_1{

background-color:#5F5750;

width: 235px;

height: 170px;

float: left;

margin-right: 14px;

}


.content_pic_0{

width: 316px;

height: 170px;

float: left;

margin-right: 14px;

}


/*小米闪购*/

.content_gou{


margin: 10px auto;

}


.content_gou_1{

width: 235px;

height:340px; 

background-color: #FAFAFA;

margin-right: 12.5px;

float: left;

}


.content_longAD{

height: 119px;

margin: 10px auto;

}


.content{

width: 1225px;

margin: 0px auto;

}


.content_class{

height: 50px;

background-color: #F5F5F5;

margin: 10px auto;

}


.content_classpic{

height: 614px;

width: 1225px;

background-color: #F5F5F5;

margin: 10px auto;

}


/*手机分类图片*/

.content_classpic_l{

width: 234px;

height: 614px;

margin-right: 12px;

float: left;

}


.content_classpic_r{

width: 979px;

height: 614px;

float: left;

}


.content_classpic_r div{

width: 235px;

height: 302px;

background: #ccc;

float: left;

}


/*家电分类图片样式*/

.content_classpic_AD{

width: 234px;

height: 302px;

margin-right: 12px;

float: left;

}


.content_classpic_1{

width: 235px;

height: 302px;

background: #ccc;

margin-right: 13px;

float: left;

}


/*家电最后一个上下分层*/

.content_classpic_lstup{

width: 235px;

height: 146px;

background: #ccc;

}


.content_classpic_lstdn{

width: 235px;

height: 146px;

margin-top: 10px;

background: #ccc;

}


/*底部样式*/

.footers{

width: 1225px;

margin: 40px auto;

text-align: center;

}

.footer_service{

width: 1225px;

height: 56px;

}


.footer_service a{

color: #616161;

font-size: 16px;

line-height: 18px;

margin: 0px 55px;

}


.footer_service a:hover{

color: #FF6700;

}


.footer_service a i{

margin-right: 10px;

}


.footer_service span{

border-left: 1px solid #E0E0E0;

}


.footer_line{

width: 1226px;

border-bottom: 1px solid #E0E0E0;

display: block;

}


.footer_list{

margin-top: 25px;

width: 1225px;

height: 140px;

}


.footer_list dl{

width: 74px;

float: left;

margin-right: 86px;

display: block;

}


.footer_list dt{

text-align: left;

font-size: 14px;

color: #424242;

margin-bottom: 26px;

}


.footer_list dd{

text-align: left;

font-size: 12px;

color: #424242;

line-height: 18px;

margin: 10px 0px;

}


.footer_list dd a{

color: #757575;

}


.footer_list dd a:hover{

color: #FF6700;

}


.footer_tel{

float: left;

width: 258px;

height: 112px;

border-left: 1px solid #E0E0E0;

}


.footer_telephone{

font-size: 22px;

color: #FF6700;

}


.footer_jobtime{

font-size: 12px;

color: #424242;

}


.footer_callme{

margin-top: 20px;

width: 120px;

height: 30px;

border: 1px solid #FF6700;

background: #fff;

color: #FF6700;

font-size: 14px;

line-height: 14px;

}


.footer_callme:hover{

background: #FF6700;

color: #fff;

}


.footer_last_logo,.footer_last_texts{

float: left;

}


.footer_last_logo{

margin-right: 8px;

}


.footer_last_text1 li{

float: left;

}


.footer_last_text1 a{

font-size: 12px;

color: #757575;

}


.footer_last_text1 li span{
font-size: 2px;
border-left: 1px solid #b0b0b0;
margin: 2px 3.5px;
}


.footer_last_text2{

float: left;

text-align: left;

font-size: 10px;

color: #ccc;

}


.footer_last_texts a:hover{

color: #ef3a3b;

}


.footer_last_icon{

float:right;

}


.footer_last_icon img{

width: 85px;

height: 28px;

}


.ending{

margin-top: 25px;

font-size: 24px;

font-family: "楷体";

color: #ccc;


}


批改老师:天蓬老师批改时间:2018-12-04 09:12:13
老师总结:span标签,本不支持宽度设计, 它的大小完全由内部元素决定 , 通常也不能独立使用, 如果仍有问题, 可以在群中,或者提交工单

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