请老师检查下代码 多谢！
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
*{
padding: 0;
margin: 0;
}
body{
min-height: 700px;
}
ul{
list-style-type: none;
}
a{
color: #fff;
text-decoration: none;
}
.header{
width: 100%;
height: 100px;
overflow: hidden;
background-color: #000;
position: fixed;
float: left;
z-index: 9999;
}
.header img{
display: block;
}
.img{
float: left;
}
.nav{
float: right;
color: #fff;
padding: 0 20px;
}
.nav ul li{
display: inline-block;
line-height: 100px;
margin: 0 20px;
font-size: 20px;
}
.nav ul li :hover{
color: orange;
}
.center,.left,.right{
min-height: 1100px;
position: relative;
float: left;
}
.middle{
padding: 100px 350px;
height: 1100px;
}
.center{
background-color: #ffb8c4;
width: 100%;
text-align: center;
padding: 200px 0 0 0;
}
.center img{
display: inline-block;
}
.left{
background-color: #ffecd8;
width: 350px;
margin-left: -100%;
left: -350px;
}
.left div{
margin: 20px;
}
.left div span{
background-color: pink;
}
.title{
font-size: 30px;
font-weight: bold;
}
.right{
background-color: #9ed3e1;
width: 350px;
margin-left: -350px;
right: -350px;
}
.right div{
margin: 20px;
}
.right ul li{
margin: 20px;
}
input{
height: 40px;
width: 300px;
border: none;
}
.button{
background-color: red;
border: 0;
color: #fff;
font-size: 20px;
}
.footer{
width: 100%;
height: 100px;
background-color: #000;
position: fixed;
bottom: 0;
text-align: center;
float: left;
z-index: 9999;
}
.footer ul li{
display: inline-block;
color: #fff;
line-height: 100px;
font-size: 20px;
margin: 0 40px;
}
</style>
</head>
<body>
<div class="container">
<div class="header">
<div class="img">
<a href="#"><img src="http://img1.sycdn.imooc.com/climg//58c0d2d900016ce303000100.png"/></a>
</div>
<div class="nav">
<ul>
<li><a href="#">课程</a></li>
<li><a href="#">职业路径</a></li>
<li><a href="#">实战</a></li>
<li><a href="#">猿问</a></li>
<li><a href="#">手记</a></li>
</ul>
</div>
</div>
<div class="middle">
<div class="center">
<img src="http://img1.sycdn.imooc.com/climg//590037e00001fab706000400.jpg"/>
</div>
<div class="left">
<div class="title">课程推荐</div>
<div><span>职业路径</span> HTML5与CSS3实现动态网页</div>
<div><span>职业路径</span> 零基础入门Android语法与界面</div>
<div><span>职业路径</span> ios基础语法与常用控件</div>
<div><span>职业路径</span> PHP入门开发</div>
<div><span>职业路径</span> JAVA入门开发</div>
</div>
<div class="right">
<div class="title">登录</div>
<ul>
<li><input type="text" name="username" placeholder="请输入登录邮箱/手机号" /></li>
<li><input type="password" name="password" placeholder="6-16位密码，区分大小写，不能用空格" /></li>
<li><input class="button" type="button" name="login" value="登录" /></li>
</ul>
</div>
</div>
<div class="footer">
<ul>
<li><a href="#">网站首页</a></li>
<li><a href="#">企业合作</a></li>
<li><a href="#">人才招聘</a></li>
<li><a href="#">联系我们</a></li>
<li><a href="#">常见问题</a></li>
<li><a href="#">友情链接</a></li>
</ul>
</div>
</div>
</body>
</html>8
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2回答
同学你好，左右两侧的高度与中部不一样。建议给left 和right添加padding：200px 0。
祝学习愉快~
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