综合运用html、css的相关知识完善youku页面，过程中遇到一些问题，参考老师代码和重复观看视频进行解决，心得如下：
1元素的每一层要对应清楚，已经相关的要进行注释，方便后边修改和查看；
2浮动用完要清除，不然后边就会乱跑；
3绝对定位的父级一定要进行相对定位，否则不听使唤，所以在用绝对定位前一定要先给他加个***；
4块级元素、行内元素的转换，在具体操作中有很好的效果；
5布局是一个熟能生巧的活，需要多看多练；
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<!DOCTYPE html>
<head>
<meta charset="utf-8">
<title>优酷-这世界很酷</title>
<link rel="icon" type="image/x-icon" href="static/images/1.ico">
<link rel="stylesheet" type="text/css" href="static/font-awesome/css/font-awesome.min.css">
<style type="text/css">
*{margin: 0;padding-left: 0;}
li{list-style: none;float: left;}
a{text-decoration: none;color: #000;}
small{color: #989898;}
.mr{margin-right: 10px;}
.mt{margin-top: 20px;}
.l{float: left;}
.r{float: right;}
.clear{clear: both;}
.contents{
width: 1740px;
margin: 0 auto;
}
.content{
width: 100%;
margin-top: 20px;
}
.contentUL{line-height: 70px;}
.hot_tv img{
/*margin:5px;*/
width: 240px;
height: 360px;
}
.tab li{margin-left: 25px;}
.big_show{
width: 490px;
height: 350px;
margin:0 10px 0 0;
}
.tv_tab{
width: 1240px;
}
.tv_tab img{
margin:0px 4px ;
width: 240px;
height: 135px;
}
.tv_tab li{
margin-bottom: 16px;
}
/*轮播模块+头部导航*/
.header{
position: relative;/*相对定位*/
width: 100%;
height:520px;
background:rgb(50,0,1);
}
/*轮播图*/
.pic_show{
width: 1664px;
height:520px;
background: url(static/images/header1.jpg);
margin: 0 auto;
position: relative;
}
.bg{
/*opacity:1;*/
width:100%;
height: 100%;
background: url(static/images/header_1.png);
position: absolute;left: 0;top:0;z-index:999;/*绝对定位*/
}
/*轮播上的logo+搜索框*/
.header_ul{
position: absolute;top:0;left:0;z-index: 1000;
}
.logo form{
width: 500px;
height: 40px;
position: relative;margin-left:500px;/*top: -30px;*/
display: inline-block;
}
.logo input{
width: 480px;
height: 40px;
border-radius: 100px;
border:none;
background:rgba(255,255,255,0.5);
outline: none;
padding-left: 20px;
color: #fff;
}
.logo button{
width: 90px;
height: 42px;
border-top-right-radius: 30px;
border-bottom-right-radius: 30px;
border: none;
background:#B30702;
color: #fff;
position:absolute;right:0;top:0;
}
.menu_li a,i{color: rgba(234,234,234,0.5);}
.menu_li li{
padding: 0 10px;
text-align: center;
font-size: 12px;
position: relative;
}
.menu_li i{
font-size: 18px;
/*font-weight: bold;*/
}
.menu_li li:hover a{color:#48ADF2; }
.menu_li li:hover i{color:#48ADF2; }
.menu_li .box{
position: absolute;top: 50px;right: -5px;
background:#fff;
padding: 20px;
display: none;
}
.menu_li p{color:#ccc;font-size: 16px;}
.menu_li button{
background: #2798ff;
color: #fff;
border:none;
width:240px;
height: 36px;
border-radius: 30px;
margin-top: 15px;
}
.menu_li li:hover .box{display: block;}
/*小箭头*/
.arrow{
width: 0;
height: 7px;
border: 7px solid;
border-color: transparent transparent #fff transparent;
position: absolute;top: -20px;right:26px;
}
.log li a,i{
font-size: 14px;
color: #ccc;
text-align: left;
}
.log li{
padding: 0 10px;
font-size: 12px;
/*border-left: 1px solid #ccc;*/
}
.menu_li ul{
width: 280px;
}
.menu_li .box_icon{
width: 120px;
height: 120px;
}
.menu_li .box_icon a,i{
color: #ccc;
font-size: 14px;
}
/*头部导航*/
.head_r{position: absolute;top: 100px;z-index: 1000;right: -30px; }
.head_r_menu{
width: 190px;
padding: 0 15px;
background: rgba(0,0,0,0.5);
}
.head_r_menu a{
display: block;
line-height: 25px;
font-size: 14px;
padding: 10px 0;
color:rgba(254,254,254,0.6);
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
border-bottom: 1px solid rgba(147,147,147,0.4);
}
.head_r_menu a:hover{ color: #fff; }
.head_r_menu a:hover span{
font-size: 20px;
display: block;
color: #fff;
}
/*网站分类*/
.voltage li{width: 230px;font-size: 15px;line-height: 30px;}
.voltage a{padding-right: 45px;color:#6D7076;}
.b_r{
border-right: 2px solid #f2f2f2;
height: 45px;
display: inline-block;
float: left;
margin-top: 7px;
margin-right: 45px;
}
li.hoc{
width: 80px;
text-align: center;
padding: 0 20px;
}
li.hoc i{color: #666;font-size: 17px;}
li.hoc a{padding: 0;color: #666;}
</style>
</head>
<body>
<!-- 头部轮播图+搜索 -->
<div class="header">
<!-- 轮播模块 -->
<div class="pic_show">
<div class="bg"></div>
<div class="contents head_r">
<div class="head_r_menu r">
<a href=""><span>2019两会闭幕 :</span>全程回顾解读热点</a>
<a href=""><span>以团之名 :</span>6进3公演神仙舞台</a>
<a href=""><span >都挺好:</span>明玉报复抄解气!</a>
<a href=""><span>2019两会闭幕 :</span>全程回顾解读热点</a>
<a href=""><span>2019两会闭幕 :</span>全程回顾解读热点</a>
<a href=""><span>这!就是原则 :</span>全程回顾解读热点</a>
<a href="" style="border:none;"><span>重耳传奇 :</span>王龙华王艳母子温馨团聚</a>
</div>
</div>
<div class="contents header_ul">
<div class="logo l mt">
<a href=""><img src="static/images/logo.png""></a>
<form>
<input type="text" name="">
<button>全搜索</button>
</form>
</div>
<ul class="menu_li r mt">
<li><i class="fa fa-viacoin" style="color: #c4a25a" ></i><br><a href="" style="color: #c4a25a">VIP</a></li>
<li><i class="fa fa-feed"></i><br><a>订阅</a></li>
<li><i class="fa fa-clock-o"></i><br><a>记录</a>
<div class="box">
<span class="arrow"></span>
<ul class="log">
<li>今天</li><br>
<a href=""></a>射雕英雄传<i class="fa fa-television" style="font-size: 14px;color: #ccc;">已收看**%</i><br>
<a href=""></a>都很好<i class="fa fa-television" style="font-size: 14px; color: #ccc;">已收看**%</i><br><br>
<li>一周内</li><br>
<a href=""></a>倚天屠龙记<i class="fa fa-television" style="font-size: 14px; color: #ccc;">已收看**%</i><br>
<a href=""></a>战国重耳传<i class="fa fa-television" style="font-size: 14px; color: #ccc;">已收看**%</i><br>
</ul>
</div>
</li>
<li><i class="fa fa-arrow-up"></i><br><a>上传</a>
<div class="box">
<span class="arrow"></span>
<p>登录使用更多功能</p>
<button>上传</button>
</div>
</li>
<li><i class="fa fa-television"></i><br><a>客户端</a>
<div class="box" >
<ul >
<span class="arrow"></span>
<li class="box_icon" >
<a href="#">
<img src="static/images/icon.png"><br>
<span style="color: #000;">优酷客户端</span>
</a><br>
<small>快速.稳定的观看体验</small>
</li>
<li class="box_icon">
<a href="#">
<img src="static/images/qr.jpg" style="width: 70px;height: 70px;margin-top: 3px;"><br>
<span style="color: #000;">优酷移动APP</span>
</a><br>
<small>全网独播尽在手中</small>
</li>
</ul>
<p style="font-size: 14px;"><a href="" ><i class="fa fa-television" style="color: #000; font-size: 15px;">优酷TV版 </i></a> CIBN酷喵影视智能电视App</p>
</div>
</li>
<li><a href=""><img src="static/images/80.png" width="40px" style="margin-top: -5px;"></a>
<div class="box">
<span class="arrow"></span>
<p>登录使用更多功能</p>
<button>登录/注册</button>
</div>
</li>
</ul>
</div>
<div class="clear"></div>
</div>
</div>
<!-- 分类标签 -->
<div class="contents">
<div class="content">
<ul class="voltage">
<li><a href="">剧集</a><a href="">电影</a><a href="">综艺</a><a href="">动漫</a><a href="">娱乐</a><a href="">生活</a></li>
<span class="b_r"></span>
<li><a href="">剧集</a><a href="">电影</a><a href="">综艺</a><a href="">动漫</a><a href="">娱乐</a><a href="">生活</a></li>
<span class="b_r"></span>
<li><a href="">剧集</a><a href="">电影</a><a href="">综艺</a><a href="">动漫</a><a href="">娱乐</a><a href="">生活</a></li>
<span class="b_r"></span>
<li><a href="">剧集</a><a href="">电影</a><a href="">综艺</a><a href="">动漫</a><a href="">娱乐</a><a href="">生活</a></li>
<span class="b_r"></span>
<li style="width:80px;"><a href="">剧集</a><br><a href="">电影</a></li>
<span class="b_r"></span>
<li class="hoc"><i class="fa fa-feed"></i><br><a href="">优酷片库</a></li>
<li class="hoc"><i class="fa fa-bar-chart"></i><br><a href="">指数排行</a></li>
<li class="hoc"><i class="fa fa-angellist"></i><br><a href="">大鱼号精选</a></li>
<li class="hoc"><i class="fa fa-desktop"></i><br><a href="">下载应用</a></li>
</ul>
</div>
<div class="clear"></div>
<div class="contentUL">
<h2>正在热播</h2>
</div>
<ul class="hot_tv">
<li class="mr">
<a href="#">
<img src="static/images/a.jpg"><br>
<span>瞰中国:宁夏</span>
</a><br>
<small>低调的宁夏 美了四季</small>
</li>
<li class="mr">
<a href="#">
<img src="static/images/b.jpg"><br>
<span>摘金奇缘</span>
</a><br>
<small>低调的宁夏 美了四季</small>
</li>
<li class="mr">
<a href="#">
<img src="static/images/c.jpg"><br>
<span>王牌对王牌</span>
</a><br>
<small>低调的宁夏 美了四季</small>
</li>
<li class="mr">
<a href="#">
<img src="static/images/d.jpg"><br>
<span>我们村里人</span>
</a><br>
<small>低调的宁夏 美了四季</small>
</li>
<li class="mr">
<a href="#">
<img src="static/images/e.jpg"><br>
<span>瞰中国:宁夏</span>
</a><br>
<small>低调的宁夏 美了四季</small>
</li>
<li class="mr">
<a href="#">
<img src="static/images/f.jpg"><br>
<span>大城小聚</span>
</a><br>
<small>低调的宁夏 美了四季</small>
</li>
<li class="mr>
<a href="#">
<img src="static/images/g.jpg"><br>
<span>托你缇娜</span>
</a><br>
<small>低调的宁夏 美了四季</small>
</li>
</ul>
<div class="clear"></div>
<div class="content">
<div class="contentUL">
<h2 class="l mr">剧集 > </h2>
<ul class="tab 1">
<li>最新</li>
<li>大陆剧</li>
<li>日韩剧</li>
<li>港台剧</li>
<li>英美剧</li>
</ul>
</div>
<div class="clear"></div>
<div class="tv_show">
<div class="big_show l mr">
<a href="#">
<img src="static/images/tv.jpg"><br>
<span>逆流而上的你..爆笑</span>
</a><br>
<small>新晋辣妈萌爸！庞月明玛丽咸鱼夫妻带娃逆袭！</small>
</div>
<ul class="tv_tab l">
<li >
<a href="#">
<img src="static/images/tv1.jpg"><br>
<span>都挺好</span>
</a><br>
<small>姚晨郭京飞陷亲情漩涡</small>
</li>
<li>
<a href="#">
<img src="static/images/tv2.jpg"><br>
<span>乡村爱情11</span>
</a><br>
<small>刘能赵四争C位</small>
</li>
<li >
<a href="#">
<img src="static/images/tv3.jpg"><br>
<span>小女花不弃</span>
</a><br>
<small>林依晨张彬彬苏甜来袭</small>
</li>
<li >
<a href="#">
<img src="static/images/tv4.jpg"><br>
<span>春暖花又开</span>
</a><br>
<small>姚芊羽李建上演新农村创业</small>
</li>
<li>
<a href="#">
<img src="static/images/tv5.jpg"><br>
<span>老中医</span>
</a><br>
<small>陈宝国冯远征许晴弘扬医道</small>
</li>
<li>
<a href="#">
<img src="static/images/tv1.jpg"><br>
<span>瞰中国:宁夏</span>
</a><br>
<small>低调的宁夏 美了四季</small>
</li>
<li >
<a href="#">
<img src="static/images/tv2.jpg"><br>
<span>瞰中国:宁夏</span>
</a><br>
<small>低调的宁夏 美了四季</small>
</li>
<li>
<a href="#">
<img src="static/images/tv3.jpg"><br>
<span>瞰中国:宁夏</span>
</a><br>
<small>低调的宁夏 美了四季</small>
</li>
<li>
<a href="#">
<img src="static/images/tv4.jpg"><br>
<span>瞰中国:宁夏</span>
</a><br>
<small>低调的宁夏 美了四季</small>
</li>
<li>
<a href="#">
<img src="static/images/tv5.jpg"><br>
<span>瞰中国:宁夏</span>
</a><br>
<small>低调的宁夏 美了四季</small>
</li>
</ul>
</div>
</div>
<div class="clear"></div>
<div class="contentUL">
<h2>猜你喜欢</h2>
</div>
<ul class="hot_tv">
<li class="mr">
<a href="#">
<img src="static/images/a.jpg"><br>
<span>瞰中国:宁夏</span>
</a><br>
<small>低调的宁夏 美了四季</small>
</li>
<li class="mr">
<a href="#">
<img src="static/images/b.jpg"><br>
<span>摘金奇缘</span>
</a><br>
<small>低调的宁夏 美了四季</small>
</li>
<li class="mr">
<a href="#">
<img src="static/images/c.jpg"><br>
<span>王牌对王牌</span>
</a><br>
<small>低调的宁夏 美了四季</small>
</li>
<li class="mr">
<a href="#">
<img src="static/images/d.jpg"><br>
<span>我们村里人</span>
</a><br>
<small>低调的宁夏 美了四季</small>
</li>
<li class="mr">
<a href="#">
<img src="static/images/e.jpg"><br>
<span>瞰中国:宁夏</span>
</a><br>
<small>低调的宁夏 美了四季</small>
</li>
<li class="mr">
<a href="#">
<img src="static/images/f.jpg"><br>
<span>大城小聚</span>
</a><br>
<small>低调的宁夏 美了四季</small>
</li>
<li class="mr>
<a href="#">
<img src="static/images/g.jpg"><br>
<span>托你缇娜</span>
</a><br>
<small>低调的宁夏 美了四季</small>
</li>
</ul>
<div class="clear"></div>
</div>
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