今天来用position来写下拉菜单,话不多说,直接上代码,
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>下拉菜单</title>
<style>
*{
padding: 0;
margin: 0;
list-style: none;
text-decoration: none;
}
#nav{
height: 40px;
background-color:black;
}
#nav li{
display: inline-block;
width: 100px;
height: 40px;
line-height: 40px;
text-align: center;
position: relative;
border-right: 2px white solid;
}
#nav li a{
color: aliceblue;
}
li .b{
position: absolute;
width: 100px;
background-color: black;
display: none;
}
li:hover .b{
display: block;
}
</style>
</head>
<body>
<div id="nav">
<ul>
<li><a href="#">首页</a>
<div class="b">
<ul>
<li><a href="#">1</a></li>
<li><a href="#">2</a></li>
<li><a href="#">3</a></li>
</ul>
</div></li>
<li><a href="#">附页1</a></li>
<li><a href="#">附页2</a></li>
<li><a href="#">附页3</a></li>
</ul>
</div>
</body>
</html>
如上代码,我们就可以实现一个下拉菜单的实现。