html内容：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="style.css">
<title>学堂在线</title>
</head>
<body>
<!-- header开始 -->
<div class="header w">
<div class="logo">
<img src="logo.png" alt="">
</div>
<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>
<div class="secrch">
<input type="text">
<button></button>
</div>
<!-- user模块 -->
<div class="user">
<img src="user.png" alt="">
<p>qq.leishui</p>
</div>
</div>
<!-- header结束 -->
<!-- banner开始 -->
<div class="banner ">
<div class="w">
<div class="subnav">
<ul>
<li><a href="#">前端开发</a><span>></span></li>
<li><a href="#">后端开发</a><span>></span></li>
<li><a href="#">移动开发</a><span>></span></li>
<li><a href="#">人工智能</a><span>></span></li>
<li><a href="#">商品预测</a><span>></span></li>
<li><a href="#">计算机&云数据</a><span>></span></li>
<li><a href="#">运营&测试</a><span>></span></li>
<li><a href="#">UI设计</a><span>></span></li>
<li><a href="#">产品</a><span>></span></li>
</ul>
</div>
<div class="course">
<h2>我的课程</h2>
<div class="learn">
<ul>
<li>
<h4>继续学习 程序语言设计</h4>
<p>正在学习-使用对象</p>
</li>
<li>
<h4>继续学习 程序语言设计</h4>
<p>正在学习-使用对象</p>
</li>
<li>
<h4>继续学习 程序语言设计</h4>
<p>正在学习-使用对象</p>
</li>
</ul>
<a href="#">全部课程</a>
</div>
</div>
</div>
</div>
<!-- banner结束 -->
<!-- 精品模块 开始 -->
<div class="goods w">
<h4>精品推荐</h4>
<ul>
<li><a href="#">JQuery</a></li>
<li><a href="#">Spark</a></li>
<li><a href="#">MySQL</a></li>
<li><a href="#">JavaWeb</a></li>
<li><a href="#">JavaWeb</a></li>
<li><a href="#">JavaWeb</a></li>
</ul>
<div class="mod">
<a href="#">修改兴趣</a>
</div>
</div>
<!-- 精品模块 结束 -->
<!-- 精品推荐图片模块开始 -->
<div class="box w">
<div class="box-hd">
<h4>精品推荐</h4>
<a href="#">查看全部</a>
</div>
<div class="box-bd">
<ul>
<li>
<img src="jp.png" alt="">
<h4>Think PHP 5.0 博客系统实战项目演练</h4>
<div>
<span>高级</span> • 1125人在学习
</div>
</li>
<li>
<img src="安卓.png" alt="">
<h4>Think PHP 5.0 博客系统实战项目演练</h4>
<div>
<span>高级</span> • 1125人在学习
</div>
</li>
<li>
<img src="angular.png" alt="">
<h4>Think PHP 5.0 博客系统实战项目演练</h4>
<div>
<span>高级</span> • 1125人在学习
</div>
</li>
<li>
<img src="app.png" alt="">
<h4>Think PHP 5.0 博客系统实战项目演练</h4>
<div>
<span>高级</span> • 1125人在学习
</div>
</li>
<li>
<img src="app.png" alt="">
<h4>Think PHP 5.0 博客系统实战项目演练</h4>
<div>
<span>高级</span> • 1125人在学习
</div>
</li>
<li>
<img src="jp.png" alt="">
<h4>Think PHP 5.0 博客系统实战项目演练</h4>
<div>
<span>高级</span> • 1125人在学习
</div>
</li>
<li>
<img src="安卓.png" alt="">
<h4>Think PHP 5.0 博客系统实战项目演练</h4>
<div>
<span>高级</span> • 1125人在学习
</div>
</li>
<li>
<img src="angular.png" alt="">
<h4>Think PHP 5.0 博客系统实战项目演练</h4>
<div>
<span>高级</span> • 1125人在学习
</div>
</li>
<li>
<img src="app.png" alt="">
<h4>Think PHP 5.0 博客系统实战项目演练</h4>
<div>
<span>高级</span> • 1125人在学习
</div>
</li>
<li>
<img src="app.png" alt="">
<h4>Think PHP 5.0 博客系统实战项目演练</h4>
<div>
<span>高级</span> • 1125人在学习
</div>
</li>
</ul>
</div>
</div>
<div class="box2 w">
<div class="box2-hd">
<h4>编程入门</h4>
<ul>
<li><a href="#">热门</a></li>
<li><a href="#">初级</a></li>
<li><a href="#">中级</a></li>
<li><a href="#">高级</a></li>
</ul>
<a href="#">查看全部</a>
</div>
<div class="bd-left">
<img src="php.png" alt="">
</div>
<div class="bd-right">
<div class="right-top">
<img src="快乐编程.png" alt="">
</div>
<div class="right-bottom">
<ul>
<li>
<img src="ugui.png" alt="">
<h4>Android Hybrid APP开发实战 H5+原生！</h4>
<div>
<span>高级</span> • 1125人在学习
</div>
</li>
<li>
<img src="ugui.png" alt="">
<h4>Kami2首页界面切换效果</h4>
<div class="kami2">
<span>高级</span> • 1125人在学习
</div>
</li>
<li>
<img src="ugui.png" alt="">
<h4>Unity Profiler入门 </h4>
<div class="rumen">
<span>高级</span> • 1125人在学习
</div>
</li>
<li>
<img src="ugui.png" alt="">
<h4>Unity Profiler入门 </h4>
<div class="rumen">
<span>高级</span> • 1125人在学习
</div>
</li>
</ul>
</div>
</div>
</div>
<!-- 机械模块开始 -->
<div class="jixie w">
<div class="jixie-hd">
<h4>机器学习工程师</h4>
<ul>
<li><a href="#">热门</a></li>
<li><a href="#">初级</a></li>
<li><a href="#">中级</a></li>
<li><a href="#">高级</a></li>
</ul>
<a href="#">查看全部</a>
</div>
<div class="jixie-bd">
<ul>
<li>
<img src="ugui.png" alt="">
<h4>Cocos2d-x 引擎源码中的纹理优化 </h4>
<div>
<span>高级</span> • 1125人在学习
</div>
</li>
<li>
<img src="ugui.png" alt="">
<h4>Cocos2d-x 引擎源码中的纹理优化 </h4>
<div>
<span>高级</span> • 1125人在学习
</div>
</li>
<li>
<img src="ugui.png" alt="">
<h4>Cocos2d-x 引擎源码中的纹理优化 </h4>
<div>
<span>高级</span> • 1125人在学习
</div>
</li>
<li>
<img src="ugui.png" alt="">
<h4>Cocos2d-x 引擎源码中的纹理优化 </h4>
<div>
<span>高级</span> • 1125人在学习
</div>
</li>
<li>
<img src="ugui.png" alt="">
<h4>Cocos2d-x 引擎源码中的纹理优化 </h4>
<div>
<span>高级</span> • 1125人在学习
</div>
</li>
</ul>
</div>
</div>
<!-- 机械模块结束 -->
<!-- 前端模块开始 -->
<div class="qianduan w">
<div class="qianduan-hd">
<h4>前端开发工程师</h4>
<ul>
<li><a href="#">热门</a></li>
<li><a href="#">初级</a></li>
<li><a href="#">中级</a></li>
<li><a href="#">高级</a></li>
</ul>
<a href="#">查看全部</a>
</div>
<div class="qiandaun-bd">
<ul>
<li>
<img src="ugui.png" alt="">
<h4>Cocos2d-x 引擎源码中的纹理优化 </h4>
<div>
<span>高级</span> • 1125人在学习
</div>
</li>
<li>
<img src="ugui.png" alt="">
<h4>Cocos2d-x 引擎源码中的纹理优化 </h4>
<div>
<span>高级</span> • 1125人在学习
</div>
</li>
<li>
<img src="ugui.png" alt="">
<h4>Cocos2d-x 引擎源码中的纹理优化 </h4>
<div>
<span>高级</span> • 1125人在学习
</div>
</li>
<li>
<img src="ugui.png" alt="">
<h4>Cocos2d-x 引擎源码中的纹理优化 </h4>
<div>
<span>高级</span> • 1125人在学习
</div>
</li>
<li>
<img src="ugui.png" alt="">
<h4>Cocos2d-x 引擎源码中的纹理优化 </h4>
<div>
<span>高级</span> • 1125人在学习
</div>
</li>
</ul>
</div>
</div>
<!-- 机械模块结束 -->
<!-- 精品推荐图片模块结束 -->
<!-- footer模块开始 -->
<div class="footer w">
<div class="left">
<img src="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。<br> © 2017年XTCG Inc.保留所有权利。-沪ICP备15025210号</p>
<a href="#">下载APP</a>
</div>
<div class="right">
<dl>
<dt>合作伙伴</dt>
<dd>合作机构</dd>
<dd>合作导师</dd>
</dl>
<dl>
<dt>新手指南</dt>
<dd>如何注册</dd>
<dd>如何选课</dd>
<dd>如何拿到毕业证</dd>
<dd>学分是什么</dd>
<dd>考试未通过怎么办</dd>
</dl>
<dl>
<dt>关于学成网</dt>
<dd>关于</dd>
<dd>管理团队</dd>
<dd>工作机会</dd>
<dd>客户服务</dd>
<dd>帮助</dd>
</dl>
</div>
</div>
<!-- footer模块结束 -->
</body>
</html>
css内容：
* {
padding: 0;
margin: 0;
}
.clearfix:before,
.clearfix:after {
content: "";
display: none;
}
.clearfix:after {
clear: both;
}
.clearfix {
*zoom: 1;
}
.w {
width: 1200px;
margin: 0 auto;
}
a {
text-decoration: none;
}
body {
background-color: #f3f5f7;
}
li {
list-style: none;
}
.header {
height: 42px;
margin: 0 auto;
/* background-color: pink; */
}
.logo {
float: left;
width: 200px;
height: 42px;
/* background-color: slateblue; */
}
.nav {
float: left;
margin-left: 60px;
}
.nav li {
float: left;
display: block;
padding: 0 10px;
margin-right: 15px;
height: 42px;
line-height: 42px;
font-size: 18px;
}
.nav ul li a {
color: #050505;
text-decoration: none;
}
.nav ul li:hover {
border-bottom: 2px solid #00a4ff;
}
/* 搜索模块 */
.secrch {
float: left;
margin-left: 50px;
width: 410px;
height: 42px;
background-color: springgreen;
}
.secrch input {
float: left;
width: 359px;
height: 40px;
border: 1px solid #00a4ff;
border-right: none;
}
button {
float: left;
width: 50px;
height: 42px;
border: none;
background: url(btn.png);
}
/* user模块 */
.user {
float: left;
margin-left: 25px;
width: 150px;
height: 42px;
/* background-color: skyblue; */
}
.user img {
float: left;
margin-top: 5px;
margin-left: 20px;
}
.user p {
float: left;
margin-top: 10px;
}
/* banner模块 */
.banner {
margin-top: 30px;
height: 420px;
background: #033db2;
}
.banner .subnav {
float: left;
height: 420px;
width: 190px;
background-color: rgba(0, 0, 0, .3);
}
.banner .subnav ul {
padding: 20px;
}
.banner .subnav ul li {
height: 44px;
color: #fff;
}
.banner .subnav ul li a {
font-size: 14px;
color: #fff;
text-decoration: none;
}
.banner .subnav ul li span {
float: right;
}
.banner .w {
height: 420px;
background: url(subnav.png);
}
.course {
float: right;
margin-top: 50px;
width: 230px;
height: 300px;
background-color: pink;
}
.course h2 {
display: block;
text-align: center;
height: 50px;
line-height: 50px;
font-size: 18px;
color: #fff;
background-color: #9bceea;
}
.learn {
width: 230px;
height: 250px;
background-color: #fff;
}
.learn ul li {
padding: 13px 25px;
border-bottom: 1px solid #efefef;
}
.learn ul li h4 {
font-size: 16px;
color: #4e4e4e;
}
.learn ul li p {
font-size: 12px;
color: #a5a5a5;
}
.learn a {
display: block;
margin: 4px 10px 12px;
text-align: center;
line-height: 40px;
text-decoration: none;
color: #22b0ff;
width: 200px;
height: 40px;
border: 2px solid #22b0ff;
}
/* goods模块 开始 */
.goods {
margin-top: 10px;
box-shadow: 0 1px 3px 2px rgba(0, 0, 0, .1);
height: 60px;
line-height: 60px;
background-color: #fff;
}
.goods h4 {
float: left;
margin-left: 35px;
font-size: 16px;
color: #00a4ff;
}
.goods ul {
float: left;
margin-left: 35px;
}
.goods ul li {
float: left;
/* padding: 0 35px; */
}
.goods ul li a {
text-decoration: none;
padding: 0 35px;
border-left: 1px solid #bfbfbf;
color: #050505;
}
.goods .mod a {
float: left;
float: right;
margin-right: 28px;
display: block;
text-decoration: none;
font-size: 14px;
color: #00a4ff;
}
/* goods模块 结束 */
/* 精品推荐图片模块开始 */
.box {
height: 635px;
margin-top: 35px;
}
.box-hd {
height: 42px;
}
.box-hd h4 {
float: left;
font-size: 20px;
color: #494949;
}
.box-bd {
width: 1300px;
}
.box-hd a {
float: right;
margin-top: 10px;
margin-right: 30px;
text-decoration: none;
font-size: 12px;
color: #a5a5a5;
}
.box-bd ul li {
float: left;
margin-right: 15px;
margin-bottom: 15px;
width: 229px;
height: 271px;
background-color: #fff;
}
.box-bd ul li img {
width: 100%;
}
.box-bd ul li h4 {
margin: 26px 20px 20px 22px;
font-size: 14px;
color: #050505;
}
.box-bd ul li div {
margin-left: 22px;
margin-right: 20px;
font-size: 12px;
color: #999999;
}
.box-bd ul li span {
font-size: 12px;
color: #ff7c2d;
}
/* .box2部分开始 */
.box2 {
width: 1200px;
height: 474px;
/* background-color: pink; */
}
.box2-hd {
width: 1200px;
height: 53px;
}
.box2-hd h4 {
float: left;
font-size: 20px;
color: #494949;
}
.box2-hd ul {
margin-left: 354px;
}
.box2-hd ul li a {
margin-right: 70px;
margin-top: 7px;
float: left;
list-style: none;
font-size: 16px;
}
.box2-hd a {
float: right;
margin-top: 10px;
margin-right: 30px;
text-decoration: none;
font-size: 12px;
color: #a5a5a5;
}
.box2 .bd-left {
float: left;
width: 230px;
height: 395px;
/* background-color: pink; */
}
.box2 .bd-left img {
width: 100%;
}
.box2 .bd-right .right-top {
float: right;
width: 959px;
height: 102px;
background-color: pink;
}
.box2 .bd-right .right-top img {
width: 100%;
height: 100%;
}
.box2 .bd-right .right-bottom {
float: right;
margin-top: 23px;
width: 958px;
height: 269px;
/* background-color: pink; */
}
.box2 .bd-right .right-bottom ul {
width: 1000px;
}
.box2 .bd-right .right-bottom ul li {
float: left;
margin-right: 15px;
background-color: #fff;
width: 229px;
height: 271px;
}
.box2 .bd-right .right-bottom ul li h4 {
margin: 25px 20px 0px 20px;
font-size: 14px;
color: #050505;
}
.box2 .bd-right .right-bottom ul li div {
margin: 20px 80px 0px 20px;
font-size: 12px;
color: #999999;
}
.box2 .bd-right .right-bottom ul li div span {
color: #ff7c2d;
}
.box2 .bd-right .right-bottom ul li .kami2 {
margin-top: 37px;
}
.box2 .bd-right .right-bottom ul li .rumen {
margin-top: 37px;
}
/* .box2部分结束 */
/* 机械模块开始 */
.jixie {
height: 315px;
/* background-color: pink; */
}
.jixie-hd a {
float: right;
margin-top: 7px;
margin-right: 32px;
text-decoration: none;
font-size: 12px;
color: #a5a5a5;
}
.jixie-hd ul li {
float: left;
margin-right: 70px;
}
.jixie-hd ul li a {
margin-top: 7px;
font-size: 16px;
color: #868686;
}
.jixie-hd {
height: 42px;
}
.jixie-hd h4 {
float: left;
margin-right: 290px;
font-size: 20px;
color: #494949;
}
.jixie-bd {
width: 1300px;
height: 272px;
/* background-color: plum; */
}
.jixie-bd ul li {
float: left;
margin-right: 15px;
width: 228px;
height: 270px;
background-color: #fff;
}
.jixie-bd ul li img {
width: 100%;
}
.jixie-bd ul li h4 {
margin: 25px 20px 0px 20px;
font-size: 14px;
color: #050505;
}
.jixie-bd ul li div {
margin: 20px 80px 0px 20px;
font-size: 12px;
color: #999999;
}
.jixie-bd ul li div span {
color: #ff7c2d;
}
.jixie-bd ul li .kami2 {
margin-top: 37px;
}
.jixie-bd ul li .rumen {
margin-top: 37px;
}
/* 机械模块结束 */
/* 前端模块开始 */
.qianduan {
margin-top: 40px;
height: 315px;
/* background-color: pink; */
}
.qianduan-hd {
height: 42px;
/* background-color: powderblue; */
}
.qianduan-hd h4 {
float: left;
margin-right: 292px;
height: 42px;
color: #494949;
font-size: 20px;
}
.qianduan ul li {
float: left;
margin-right: 70px;
}
.qianduan-hd a {
float: right;
margin-top: 7px;
margin-right: 32px;
font-size: 12px;
color: #a5a5a5;
}
.qianduan ul li a {
font-size: 16px;
margin-top: 7px;
color: #868686;
}
.qianduan-bd {
width: 1300px;
height: 272px;
/* background-color: plum; */
}
.qiandaun-bd ul {
width: 1300px;
}
.qiandaun-bd ul li {
float: left;
margin-right: 15px;
width: 228px;
height: 274px;
background-color: #fff;
}
.qiandaun-bd ul li img {
width: 100%;
}
.qiandaun-bd ul li h4 {
margin: 25px 20px 0px 20px;
font-size: 14px;
color: #050505;
}
.qiandaun-bd ul li div {
margin: 20px 80px 0px 20px;
font-size: 12px;
color: #999999;
}
.qiandaun-bd ul li div span {
color: #ff7c2d;
}
.qiandaun-bd ul li .kami2 {
margin-top: 37px;
}
.qiandaun-bd ul li .rumen {
margin-top: 37px;
}
/* 前端模块结束 */
/* 精品推荐图片模块结束 */
/* footer模块开始 */
.footer {
margin-top: 20px;
height: 200px;
background-color: #fff;
}
.footer .left {
float: left;
margin-left: 20px;
padding-top: 20px;
}
.footer .left p {
margin-top: 35px;
color: #666;
font-size: 12px;
}
.footer .left a {
display: block;
margin-top: 20px;
width: 118px;
height: 34px;
line-height: 34px;
text-align: center;
border: 1px solid #00a4ff;
font-size: 16px;
color: #00a4ff;
}
.footer .right {
float: right;
padding-top: 20px;
padding-right: 32px;
}
.footer .right dl {
float: right;
margin-left: 120px;
}
.footer .right dl dt {
margin-bottom: 15px;
font-size: 16px;
color: #333;
}
.footer .right dl dd {
font-size: 12px;
color: #333;
}
/* footer模块结束*/
