*{
margin: 0;
padding: 0;
box-sizing: border-box;
}
li{
list-style: none;
}
a{
text-decoration: none;
}
.clearfix:before,clearfix:after{
content:"";
display: table;
}
.clearfix:after{
clear:both
}
body{
background-color: #f3f5f7;
}
/*版心*/
.wrapper{
width: 1200px;
margin: 0 auto;
}
/*头部*/
.header{
height: 42px;
/*background-color: pink;*/
/*margin-top: 30px;
margin-bottom: 30px;*/
margin:30px auto;
}
h1{
float:left;
}
/*导航*/
.nav{
float:left;
margin-left: 70px;
height: 42px;
}
.nav li{
float: left;
margin-right: 26px;
}
.nav li a{
display: block;
padding: 0 9px;
height:42px ;
line-height: 42px;
/*border-bottom:2px solid #00a4ff;*/
font-size: 18px;
color: #050505;
}
.nav li a:hover{
border-bottom:2px solid #00a4ff;
}
/*搜索区*/
.search{
float:left;
margin-left: 59px;
width: 412px;
height: 40px;
border:1px solid #00A4FF;
}
.search input{
float:left;
padding-left: 20px;
width: 360px;
height: 38px;
border: 0;
}
/*控制placeholder的样式*/
.search input::placeholder{
font-size: 14px;
color: #bfbfbf;
}
.search button{
float: left;
width: 50px;
height: 40px;
background-image: url(../images/btn.png);
border:0 ;
}
.user{
float: right;
margin-right:35px ;
height: 42px;
line-height: 42px;
}
.user img{/*调节图片垂直对齐方式,middle是居中*/
vertical-align: middle;
}
/*第二个模块*/
.banner{
height: 420px;
background-color:#1c036c;
}
.banner .wrapper{
height: 420px;
background-image:url(../images/banner2.png) ;
}
.banner .left{
float:left;
padding: 0 20px;
width: 190px;
height: 420px;
background-color: rgb(0,0,0,0.3);
line-height: 44px;
}
.banner .left span{
float: right;
}
.banner .left a{
font-size: 14px;
color: #fff;
}
.banner .left a:hover{
color: #00b4ff;
}
.banner .right{
float:right;
width: 228px;
margin-top: 50px;
height: 300px;
background-color: #fff;
}
.banner .right h2{
height: 48px;
background-color: #9bceea;
text-align: center;
line-height: 48px;
font-size: 18px;
color: #FFFFFF;
}
.banner .right comment{
padding: 0 18px;
}
.banner .right .content dl{
padding: 12px 0;
border-bottom: 2px solid #e5e5e5;
}
.banner .right .content dd{
font-size: 14px;
color:#4e4e4e;
}
.banner .right .more{
display: block;
width: 200px;
height: 40px;
border:1px solid #00a4ff;
margin: 4px auto 0;
font-size: 16px;
color:#00a4ff;
font-weight: 700;
text-align: center;
line-height: 40px;
}
.goods{
margin-top: 8px;
padding-left:34px ;
padding-right:26px ;
height: 60px;
background-color: #fff;
box-shadow: 0px 2px 3px 0px;
rgb(118,118,118,0.2);
line-height: 60px;
}
.goods h2{
float:left;
font-size: 16px;
color: #00a4ff;
font-weight: 400;
}
.goods ul{
float:left;
margin-left: 30px;
}
.goods ul li{
float:left;
}
.goods li a{
float:left;
boder-left:1px solid #bfbfbf;
padding: 0 30px;
font-size: 16px;
color: #050505;
}
.goods .xingqu{
float:right;
font-size: 14px;
color:#00a4ff;
}
/*精品课程*/
.box{
margin-top:35px ;
}
.box .title{
height: 40px;
}
.box .title h2{
float:left;
font-size: 20px;
color: #494949;
font-weight: 400;
}
.box .title a{
float:right;
margin-right: 30px;
font-size: 12px;
color: #a5a5a5;
}
.box .content li{
float:left;
margin-right: 15px;
margin-bottom: 15px;
width: 228px;
height: 270px;
background-color: #fff;
}
.box .content li:nth-child(5n){
margin-right: 0;
}
.box .content li h3{
padding: 20px;
font-size: 14px;
color: #050505;
font-weight: 400;
}
.box .content li p{
padding:0 20px;
font-size: 12px;
color:#999;
}
.box .content li span{
color: #ff7c2d;
}
.footer{
height: 417px;
background-color: #fff;
}
.footer .left{
float:left;
}
.footer .left p{
margin: 20px 0 10px;
font-size: 12px;
color:#666;
}
.footer .right{
float:right
}
.footer .left a{
display: inline-block;
width: 120px;
height: 36px;
border:1px solid #00a4ff;
text-align: center;
line-break: 36px;
font-size:16px ;
color:#00a4ff;
}
.footer .right dl{
float:left;
margin-left: 120px;
}
每个部分的CSS样式,每个模块的样式要确定好
相互嵌套的标签需要注意,有空闲时间添加注释看起来会更方便
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>学成在线网站首页</title>
<link rel="stylesheet" href="css/index.css" />
</head>
<body>
<!--网站首页-->
<!--布局-->
<!--css-->
<!--头部,负责头部区域样式-->
<div class="header wrapper">
<h1>
<a href="#"> <img src="images/logo.png" alt=""></a>
</h1>
<!--导航-->
<div class="nav">
<ul>
<li><a href="#">首页</a></li>
<li><a href="#">课程</a></li>
<li><a href="#">职业规划</a></li>
</ul>
</div>
<!--搜索框-->
<div class="search">
<input type="text" placeholder="请输入关键词"><button></button>
</div>
<!--用户登录-->
<div class="user">
<img src="images/user.png" alt="">
<span>lilei</span>
</div>
</div>
</div>
<!--轮插图-->
<div class="banner">
<div class="wrapper">
<div class="left">
<ul>
<li><a href="#">前端开发<span> > </span></a></li>
<li><a href="#">后端开发<span>></span></a></li>
<li><a href="#">移动开发<span>></span></a></li>
<li><a href="#">人工智能<span>></span></a></li>
<li><a href="#">商业预测<span>></span></a></li>
<li><a href="#">云计算&大数据<span>></span></a></li>
<li><a href="#">运维与测试<span>></span></a></li>
<li><a href="#">UI设计<span>></span></a></li>
<li><a href="#">产品<span>></span></a></li>
<li><a href="#">后端开发<span>></span></a></li>
</ul>
</div>
<div class="right">
<h2>我的课程表</h2>
<div class="content">
<dl>
<dt>继续学习 程序语言设计</dt>
<dd>正在学习使用对象</dd>
</dl>
<dl>
<dt>继续学习 程序语言设计</dt>
<dd>正在学习使用对象</dd>
</dl>
<dl>
<dt>继续学习 程序语言设计</dt>
<dd>正在学习使用对象</dd>
</dl>
</div>
<a href="#" class="more">全部课程</a>
</div>
</div>
</div>
<!--精品推荐-->
<div class="goods wrapper">
<h2>精品推荐</h2>
<ul>
<li><a href="#">JQuery</a></li>
<li><a href="#">Spark</a></li>
<li><a href="#">Mysql</a></li>
<li><a href="#">Spark</a></li>
<li><a href="#">Mysql</a></li>
<li><a href="#">Mysql</a></li>
</ul>
<a href="#" class="xingqu">修改兴趣</a>
</div>
<!--精品推荐-->
<div class="box wrapper">
<div class="title">
<h2>精品推荐</h2>
<a href="#">查看全部</a>
</div>
<div class="content clearfix">
<ul>
<li>
<a href="#">
<img src="images/course01.png" alt="">
<h3>THink PHP 5.0 博客系统实战项目演练</h3>
<p><span>高级</span> . 1125人在学习</p>
</a>
</li>
<li>
<a href="#">
<img src="images/course02.png" alt="">
<h3>THink PHP 5.0 博客系统实战项目演练</h3>
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</a>
</li>
<li>
<a href="#">
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</a>
</li>
<li>
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</li>
<li>
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</li>
<li>
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</a>
</li>
</ul>
</div>
</div>
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<div class="footer">
<div class="wrapper">
<div class="left">
<img src="images/logo.png" alt="">
<p>学成在线致力于普及中国最好的教育它,与中国一流大学和机构合作提供在线课程.</p><br>2017年TXCG INc.保留所有权利</p>
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<div class="right">
<dl>
<dt>合作伙伴</dt>
<dd><a href="#">合作导师</a></dd>
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