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Correction status：Uncorrected
Teacher's comments：
Collection
Collection
重写了2次，慢慢熟悉布局。还是得多写多练，熟悉什么地方布局常用什么样的解决方案。
三角形用CSS实现方式如下，需要指向什么方向的三角形，就将对面的边框显示就好。
<!DOCTYPE html>
<html>
<head>
<title></title>
<style type="text/css">
.arrow{
width: 0px;
height: 0px;
border: 7px solid #000;
border-color: transparent #f00 transparent transparent;
}
</style>
</head>
<body>
<div class="arrow"></div>
</body>
</html>点击 "运行实例" 按钮查看在线实例
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>优酷-这世界很酷</title> <link rel="stylesheet" type="text/css" href="static/css/style.css"> <link rel="icon" type="image/x-icon" href="static/images/favicon.ico"> <link rel="stylesheet" type="text/css" href="static/font-awesome/css/font-awesome.min.css"> </head> <body> <div class="header"> <!-- 轮播模块 --> <div class="pic_show"> <div class="bg"></div> <div class="contents header_r"> <div class="header_r_menu r"> <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>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>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="" style="border-bottom: none;"><span>2019两会闭幕：</span>全程回顾解读热点</a> </div> </div> </div> <!-- 顶部搜索导航条 --> <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>全网搜</button> </form> </div> <ul class="menu_li r mt"> <li><a href="" style="color: #c4a24a"><i class="fa fa-bank" style="color: #c4a25a"></i><br>VIP</a></li> <li><a href=""><i class="fa fa-feed"></i><br>订阅</a></li> <li><a href=""><i class="fa fa-clock-o"></i><br>记录</a></li> <li><a href=""><i class="fa fa-arrow-up"></i><br>上传</a></li> <li><a href=""><i class="fa fa-television"></i><br>客户端</a> <div class="box"> <div class="arrow"></div> <p>登录使用更多功能</p> <form> <button>登录/注册</button> </form> </div> </li> <li><a href=""><img src="static/images/80.png" width="40px"></a> <div class="box"> <div class="arrow"></div> <p>登录使用更多功能</p> <form> <button>登录/注册</button> </form> </div> </li> </ul> </div> <div class="clear"></div> </div> <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: 75px;"><a href="">剧集</a><a href="">电影</a></li> <span class="b_r"></span> <li class="hoc"><a href=""><i class="fa fa-feed"></i><br>优酷片库</a></li> <li class="hoc"><a href=""><i class="fa fa-clock-o"></i><br>指数排行</a></li> <li class="hoc"><a href=""><i class="fa fa-arrow-up"></i><br>大鱼号精选</a></li> <li class="hoc"><a href=""><i class="fa fa-arrow-up"></i><br>下载应用</a></li> </ul> </div> <div class="clear"></div> </div> <div class="contents"> <div class="content"> <div class="content_ul"><h2>正在热播</h2></div> <ul class="hot_tv"> <li><a href=""><img src="static/images/a.jpg"><br><span>瞰中国</span></a><br> <small>低调的宁夏 美了四季</small></li> <li><a href=""><img src="static/images/b.jpg"><br><span>瞰中国</span></a><br> <small>低调的宁夏 美了四季</small></li> <li><a href=""><img src="static/images/c.jpg"><br><span>瞰中国</span></a><br> <small>低调的宁夏 美了四季</small></li> <li><a href=""><img src="static/images/d.jpg"><br><span>瞰中国</span></a><br> <small>低调的宁夏 美了四季</small></li> <li><a href=""><img src="static/images/e.jpg"><br><span>瞰中国</span></a><br> <small>低调的宁夏 美了四季</small></li> <li><a href=""><img src="static/images/f.jpg"><br><span>瞰中国</span></a><br> <small>低调的宁夏 美了四季</small></li> <li><a href=""><img src="static/images/g.jpg"><br><span>瞰中国</span></a><br> <small>低调的宁夏 美了四季</small></li> </ul> <div class="clear"></div> </div> <div class="content"> <div class="content_ul"> <h2 class="l mr">剧集 ></h2> <ul class="tab"> <li><a href="">最新</a></li> <li><a href="">大陆剧</a></li> <li><a href="">日韩剧</a></li> <li><a href="">港台剧</a></li> <li><a href="">英美剧</a></li> </ul> </div> <div class="clear"></div> <div class="tv_show l"> <a href=""><img src="static/images/tv.jpg"><br><span>瞰中国</span></a><br> <small>低调的宁夏 美了四季</small> </div> <ul class="tv_tab"> <li><a href=""><img src="static/images/tv1.jpg"><br><span>瞰中国</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</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</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</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</span></a><br> <small>低调的宁夏 美了四季</small></li> <li><a href=""><img src="static/images/tv1.jpg"><br><span>瞰中国</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</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</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</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</span></a><br> <small>低调的宁夏 美了四季</small></li> </ul> <div class="clear"></div> </div> <div class="content"> <div class="content_ul"><h2>正在热播</h2></div> <ul class="hot_tv"> <li><a href=""><img src="static/images/a.jpg"><br><span>瞰中国</span></a><br> <small>低调的宁夏 美了四季</small></li> <li><a href=""><img src="static/images/b.jpg"><br><span>瞰中国</span></a><br> <small>低调的宁夏 美了四季</small></li> <li><a href=""><img src="static/images/c.jpg"><br><span>瞰中国</span></a><br> <small>低调的宁夏 美了四季</small></li> <li><a href=""><img src="static/images/d.jpg"><br><span>瞰中国</span></a><br> <small>低调的宁夏 美了四季</small></li> <li><a href=""><img src="static/images/e.jpg"><br><span>瞰中国</span></a><br> <small>低调的宁夏 美了四季</small></li> <li><a href=""><img src="static/images/f.jpg"><br><span>瞰中国</span></a><br> <small>低调的宁夏 美了四季</small></li> <li><a href=""><img src="static/images/g.jpg"><br><span>瞰中国</span></a><br> <small>低调的宁夏 美了四季</small></li> </ul> <div class="clear"></div> </div> </div> </body> </html>
点击 "运行实例" 按钮查看在线实例
*{
margin: 0;padding: 0;
}
.clear{
clear:both;
}
a{
text-decoration: none;color: #000;
}
li{
list-style: none;
float: left;
}
.l{
float: left;
}
.r{
float: right;
}
.mt{
margin-top: 20px;
}
.mr{
margin-right: 10px;
}
.header{
width: 100%;height: 520px;
background: #072439;
}
.pic_show{
width: 1664px;height: 520px;
background: url(../images/y1.jpg);
margin: 0 auto;
position: relative;
}
.bg{
width: 100%;height: 100%;
background: url(../images/y.png);
position: absolute;top:0;left: 0;
z-index: 99;
}
.header_r{
position: absolute;top: 100px;right: 45px;
z-index: 100;
}
.header_r_menu{
width: 190px;
padding: 0px 15px;
background: rgba(0,0,0,0.2);
}
.header_r_menu a{
display: block;
padding: 10px 0px;
color: rgba(254,254,254,0.6);
font-size: 14px;
line-height: 25px;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
border-bottom: 1px solid rgba(147,147,147,0.4);
}
.header_r_menu a:hover span{
font-size: 20px;display: block;color: #fff;
}
.header_r_menu a:hover{
color: #fff;
}
.contents{
width: 1750px;
margin: 0 auto;
}
.content{
width: 100%;
margin-top: 20px;
}
.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: 40px;
}
li.hoc{
width: 80px;text-align: center;padding-right: 30px;
}
li.hoc i{
color: #666;font-size: 17px;
}
li.hoc a{
color: #666;padding: 0;
}
.header_ul{
position: fixed;top: 0;
z-index: 100;
}
.logo{
margin-left: 90px;
}
.logo form{
display: inline-block;
width: 500px;height: 40px;
margin-left: 500px;
position: relative;
}
.logo input{
width: 480px;height: 40px;padding-left: 20px;color: #fff;
border-radius: 20px;border: none;
outline:none;
background: rgba(234,234,234,0.5);
}
.logo button{
width: 90px;height: 40px;
border-top-right-radius: 20px;border-bottom-right-radius: 20px;
background: #b30702;border: none;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;
}
.menu_li img{
margin-top: -5px;
}
.menu_li li:hover a{
color:#48adf2;
}
.menu_li li:hover i{
color: #48adf2;
}
.menu_li li:hover .box{
display: block;
}
.menu_li .box{
position: absolute;top: 50px;right: -10px;
background: #fff;
padding: 20px;
display: none;
}
.menu_li form{
width:240px;height: 51px;
}
.menu_li p{
color: #ccc;font-size: 16px;
}
.menu_li button{
background: #2798ff;
color: #fff;
border: none;
height: 36px;width: 240px;
border-radius: 18px;
margin-top: 15px;
}
.arrow{
width: 0px;height: 0px;border: 7px solid;
border-color: transparent transparent #fff transparent;
position: absolute;top: -14px;right: 32px;
}
.content_ul{
line-height: 60px;
}
.hot_tv img{
width: 240px;
height: 360px;
}
.hot_tv li{
margin-right: 6px;
}
.tab li{
margin-left: 10px;
}
.tv_show{
margin-right: 6px;
}
.tv_show img{
width: 486px;
}
.tv_tab img{
width: 240px;
height: 135px;
margin-right: 6px;
}
.tv_tab li{
margin-bottom: 15px;
}点击 "运行实例" 按钮查看在线实例