abstract：<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> &nb
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style>
*{
padding: 0;
margin: 0;
}
a{
text-decoration: none;
color: #eee;
}
ul,li{
list-style: none;
}
.header{
height: 60px;
background: #000;
}
.header .left{
float: left;
}
.header .left .left-left{
float: left;
}
.header .left .left-right{
float: left;
}
.header .right {
float: right;
}
.header .logo a{
display: block;
width: 140px;
height: 60px;
background: url(http://www.php.cn/static/images/logo.png) center;
background-size: cover;
}
.header .left .nav{
float: left;
color: #fff;
}
.header .left .nav ul li{
float: left;
height: 60px;
margin: 0 10px;
position: relative;
}
.header .left .nav ul li a{
display: block;
height: 60px;
line-height: 60px;
padding-left: 20px;
padding-right: 20px;
font-size: 14px;
color: #cacaca;
}
.header .left .nav ul li a:hover{
color: #fff;
}
.header .left .nav ul li dl{
border: 1px solid #e6e6e6;
width:200px;
background: #eee;
position: absolute;
display: none;
}
.header .left .nav ul li dl li{
color: #000;
width: 100px;
height: 40px;
padding: 0;
margin: 2px 0 ;
text-align: center;
line-height: 40px;
font-size: 14px;
}
.header .left .nav ul li dl li:hover{
background: #fff;
}
.header .left .nav ul li:hover dl{
display: block;
}
.header .right .img{
width: 68px;
height: 40px;
text-align: center;
padding-top: 20px;
}
.header .right .img img{
width: 28px;
height: 28px;
border-radius: 50%;
}
</style>
</head>
<body>
<div class="header">
<div class="left">
<div class="left-left">
<div class="logo">
<a href="http://www.php.cn/"></a>
</div>
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<li>小程序开发</li>
<li>博客文章</li>
</dl>
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<li><a href="#">编程词典 ↓</a>
<dl>
<li>PHP词典</li>
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</dl>
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<li><a href="#">资源下载 ↓</a>
<dl>
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<li>类库下载</li>
</dl>
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<div class="img">
<img src="http://www.php.cn/static/images/user_avatar.jpg" alt="">
<div class="img-nav">
</div>
</div>
</div>
</div>
</body>
</html>非常喜欢下拉菜单，也一直感觉下拉菜单很神秘，之前一直以为会很难，但是看了本节课程之后，就突然感觉原来如此。希望一直努力前进
Correcting teacher：查无此人Correction time：2019-04-17 09:18:58
Teacher's summary：会的不难，难的不会。只要坚持学习，才能懂的越来越多。继续加油。