为什么我的网页一旦拉伸就会变形?
如下情况,困扰我很久了,麻烦老师指正.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>幕课网t</title>
<style>
*{
margin: 0;
padding: 0;
list-style: none;
text-decoration: none;
}
.container{
width: 100%;
height: 100%;
background: rgb(173,216,230);
}
.header{
width: 100%;
height: 100px;
background: #000;
color: #fff;
}
.logo{
width: 60%;
height: 100px;
float: left;
}
.nav{
width: 40%;
max-width: 760px;
height: 100px;
float: right;
}
.nav ul{
width: 100%;
height: 100px;
}
.nav ul li{
float: left;
height: 100px;
line-height: 100px;
padding: 0 20px;
margin: 0 20px;
font-size: 20px;
}
.nav ul li a{
color: #fff;
}
.nav ul li:hover{
background: #333;
font-weight: bold;
}
.content{
width: 80%;
height: 867px;
margin: 0 auto;
padding-top: 100px;
}
.left{
width: 50%;
height: 767px;
float: left;
line-height: 3em;
}
.right{
width: 50%;
height: 867px;
float: right;
line-height: 3em;
}
.left h3,.left ul,.right h3,.right ul{
margin-left:100px;
}
.right a,.left a{
padding: 0 10px;
color: #000;
}
.right a:hover,.left a:hover{
color: #fff;
font-weight: bold;
}
.left ul li span{
background: rgb(255, 153, 153)
}
.footer{
width: 100%;
height: 100px;
background: #000;
color: #fff;
font-size: 20px;
text-align: center;
line-height: 100px;
}
.footer ul{
width: 50%;
height: 100px;
margin: 0 auto;
text-align: center;
}
.footer ul li{
float: left;
height: 100px;
margin: 0 39px;
}
.footer ul li a{
color: #fff;
}
.footer ul li a:hover{
font-weight: bold;
}
</style>
</head>
<body>
<!-- 页面主体 -->
<div class="container">
<!-- 导航 -->
<div class="header">
<!-- 左侧logo -->
<div class="logo">
<img src="http://img1.sycdn.imooc.com/climg//58c0d2d900016ce303000100.png" alt="">
</div>
<!-- 右侧导航 -->
<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>
<!-- 内容 -->
<div class="content">
<!-- 左侧内容 -->
<div class="left">
<h3>课程推荐</h3>
<ul>
<li>
<span>职业路径</span>
<a href="#">HTML5与CSS3实现动态网页</a>
</li>
<li>
<span>职业路径</span>
<a href="#">零基础入门Android语法与界面</a>
</li>
<li>
<span>职业路径</span>
<a href="#">ios基础语法与常用控件</a>
</li>
<li>
<span>职业路径</span>
<a href="#">PHP入门开发</a>
</li>
<li>
<span>职业路径</span>
<a href="#">JAVA入门开发</a>
</li>
</ul>
</div>
<!-- 右侧内容 -->
<div class="right">
<h3>相关课程</h3>
<ul>
<li>
<a href="#">HTML</a>
<a href="#">CSS</a>
<a href="#">JavaScript</a>
</li>
<li>
<a href="#">HTML</a>
<a href="#">CSS</a>
<a href="#">Jquery</a>
</li>
<li>
<a href="#">移动端基础</a>
<a href="#">移动端APP开发</a>
</li>
</ul>
</div>
</div>
<!-- 页脚 -->
<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>
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