<!DOCTYPE html>
<html>
<head>
<style>
ul {
list-style-type: none;
margin: 0;
padding: 0;
overflow: hidden;
background-color: #333;
}
li {
float: left;
}
li a, .dropbtn {
display: inline-block;
color: white;
text-align: center;
padding: 14px 16px;
text-decoration: none;
}
li a:hover, .dropdown:hover .dropbtn {
background-color: red;
}
li.dropdown {
display: inline-block;
}
.dropdown-content {
display: none;
position: absolute;
background-color: #f9f9f9;
min-width: 160px;
box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
z-index: 1;
}
.dropdown-content a {
color: black;
padding: 12px 16px;
text-decoration: none;
display: block;
text-align: left;
}
.dropdown-content a:hover {background-color: #f1f1f1;}
.dropdown:hover .dropdown-content {
display: block;
}
.active {
background-color: #4CAF50;
}
</style>
</head>
<body>
<ul>
<li class="active"><a href="#home">首页</a></li>
<li><a href="#news">新闻</a></li>
<li class="dropdown">
<a href="javascript:void(0)" class="dropbtn">Dropdown</a>
<div class="dropdown-content">
<a href="#">Link 1</a>
<a href="#">Link 2</a>
<a href="#">Link 3</a>
</div>
</li>
<li><a href="#news">产品</a></li>
<li style="float:right"><a class="active" href="#about">关于</a></li>
</ul>
<h1>导航栏内的下拉菜单</h1>
<p>请悬停到 "Dropdown" 链接上，以查看下拉菜单。</p>
</body>
</html>
View Code
标签：dropdown,color,text,栏内,display,background,导航,下拉菜单 From： https://www.cnblogs.com/fuanyu/p/17048741.html