请老师检查一下，有什么需要修改的地方，谢谢

来源：2-12 编程练习

文龍45

2019-07-07 23:16:34

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
*{
margin:0;
padding:0;
font-size: 20px;
}
.head{
width:100%;
height:100px;
background:black;
color:white;
position: fixed;
top: 0;
}
.head ul{
list-style:none;
float:right;
line-height:100px;
}
.head ul li{
display:inline;
margin:30px;
}
.con{
margin-top: 100px;
margin-bottom: 100px;
width:100%;
height: 800px;
}
.left{
width: 33%;
height: 800px;
background: #d9ffff;
float: left;
}
.left-ul{
width: 370px;
height: 200px;
margin-top: 100px;
margin-left: 100px;
}
.left-ul ul,.right-ul ul{
list-style: none;
}
.left-ul ul li,.right-ul ul li{
margin-top: 20px;
font-size: 16px;
}
h3{
font-size: 30px;
margin-left: -10px;
}
span{
background: red;
}
.right{
width: 33%;
height: 800px;
background: #d9ffff;
float: left;

}
.right-ul{
width: 370px;
height: 200px;
margin-top: 100px;
margin-left: 100px;
}
.foot{
width:100%;
height:100px;
background:black;
position: fixed;
bottom: 0;
}
.foot ul{
list-style:none;
line-height:100px;
text-align: center;
}
.foot ul li{
display:inline;
margin:10px;
}
a{
text-decoration: none;
color: white;
}
.line{
width: 1%;
height: 800px;
background: orange;
float: left;
}
.input{
width: 33%;
height: 800px;
background: #d9ffff;
float: left;
}
.input-a{
width: 400px;
height: 200px;
margin-top: 100px;
margin-left: 100px;
}
input{
margin-top: 20px;
}
.text{
width: 270px;
height: 40px;
font-size: 13px;
}
.sub{
background: red;
width: 270px;
height: 40px;
color: white;
}
</style>
</head>
<body>
<div class="head">
<img src="http://climg.mukewang.com/58c0d2d900016ce303000100.png"/>
<ul>
<li>课程</li>
<li>职业路径</li>
<li>实战</li>
<li>猿问</li>
<li>手记</li>
</ul>
</div>
<div class="con">
<div class="left">
<div class="left-ul">
<h3>课程推荐</h3>
<ul>
<li><span>职业路径</span>  HTML与CSS实现动态页面</li>
<li><span>职业路径</span>  零基础入门Android语法与界面</li>
<li><span>职业路径</span>  IOS基础语法与常用控件</li>
<li><span>职业路径</span>  PHP入门开发</li>
<li><span>职业路径</span>  JAVA入门开发</li>
</ul>
</div>
</div>
<div class="right">
<div class="right-ul">
<h3>相关课程</h3>
<ul>
<li>HTML   CSS   JavaScript</li>
<li>HTML5   CSS3   Jquery</li>
<li>移动端基础   移动端APP开发</li>
</ul>
</div>
</div>
<div class="line"></div>
<div class="input">
<div class="input-a">
<h3>登录</h3>
<input type="text" name="" placeholder="请输入邮箱/手机号" class="text">
<input type="password" name="" placeholder="6-16位密码，区分大小写，不能输入空格" class="text"><br/>
<input type="submit" name="" value="登录" class="sub">
</div>
</div>
</div>
<div class="foot">
<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>
</body>
</html>

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