不用JS只用CSS制作的网页下拉菜单

时间：2021-05-08

以下是代码实例：
html代码：

复制代码代码如下:
<div id="nav">
<ul>
<li class="menu2" onMouseOver="this.className='menu1'" onMouseOut="this.className='menu2'">Home Page
<div class="list">
<a href="https://www.jb51.net/"></a>

<a href="#">我的首页</a>

<a href="#">我的日志</a>

<a href="#">我的日志</a>

<a href="#">我的相册</a>

<a href="#">我的收藏</a>

</div>
</li>
<li class="menu2" onMouseOver="this.className='menu1'" onMouseOut="this.className='menu2'">Connection
<div class="list">
<a href="https://www.jb51.net/"></a>

<a href="#">我的首页</a>

<a href="#">我的日志</a>

<a href="#">我的相册</a>

<a href="#">我的收藏</a>

</div>
</li>
<li class="menu2" onMouseOver="this.className='menu1'" onMouseOut="this.className='menu2'">My Files
<div class="list">
<a href="https://www.jb51.net/"></a>

<a href="#">我的相册</a>

<a href="#">我的收藏</a>

</div>
</li>
<li class="menu2" onMouseOver="this.className='menu1'" onMouseOut="this.className='menu2'">Management
<div class="list">
<a href="https://www.jb51.net/"></a>

<a href="#">我的首页</a>

<a href="#">我的日志</a>

<a href="#">我的相册</a>

<a href="#">我的收藏</a>

<a href="#">我的日志</a>

<a href="#">我的相册</a>

<a href="#">我的收藏</a>

</div>
</li>
</ul>
</div>
下面是css代码：

复制代码代码如下:
body{
background-color:white;
font-size:12px;
font-family:Arial, Helvetica, sans-serif;
margin:0px;
padding:0px;
color:white;
}
ul,li{
margin:0px;
padding:0px;
}
li{
display:inline;
list-style:none;
list-style-position:outside;
text-align:center;
font-weight:bold;
float:left;
}
a:link{
color:#336601;
text-decoration:none;
float:left;
width:100px;
padding:3px 5px 0px 5px;
}
a:visited{
color:#336601;
text-decoration:none;
float:left;
padding:3px 5px 0px 5px;
width:100px;
}
a:hover{
color:white;
float:left;
padding:3px 3px 0px 20px;
width:88px;
text-decoration:none;
background-color:#539D26;
}
a:active{
color:white;
float:left;
padding:3px 3px 0px 20px;
width:88px;
text-decoration:none;
background-color:#BD06B4;
}
#nav{
width:600px;
height:30px;
border-bottom:0px;
padding:0px 5px;
position:absolute;
z-index:1;
left: 198px;
top: 25px;
}
.list{
line-height:20px;
text-align:left;
padding:4px;
font-weight:normal;
}
.menu1{
width:120px;
height:auto;
margin:6px 4px 0px 0px;
border:1px solid #9CDD75;
background-color:#F1FBEC;
color:#336601;
padding:6px 0px 0px 0px;
cursor:hand;
overflow-y:hidden;
filter:Alpha(opacity=70);
-moz-opacity:0.7;
}
.menu2{
width:120px;
height:18px;
margin:6px 4px 0px 0px;
background-color:#F5F5F5;
color:#999999;
border:1px solid #EEE8DD;
padding:6px 0px 0px 0px;
overflow-y:hidden;
cursor:hand;
}
具体演示：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>用css实现网页下拉菜单</title> </head> <style type="text/css"> body{ background-color:white; font-size:12px; font-family:Arial, Helvetica, sans-serif; margin:0px; padding:0px; color:white; } ul,li{ margin:0px; padding:0px; } li{ display:inline; list-style:none; list-style-position:outside; text-align:center; font-weight:bold; float:left; } a:link{ color:#336601; text-decoration:none; float:left; width:100px; padding:3px 5px 0px 5px; } a:visited{ color:#336601; text-decoration:none; float:left; padding:3px 5px 0px 5px; width:100px; } a:hover{ color:white; float:left; padding:3px 3px 0px 20px; width:88px; text-decoration:none; background-color:#539D26; } a:active{ color:white; float:left; padding:3px 3px 0px 20px; width:88px; text-decoration:none; background-color:#BD06B4; } #nav{ width:600px; height:30px; border-bottom:0px; padding:0px 5px; position:absolute; z-index:1; left: 198px; top: 25px; } .list{ line-height:20px; text-align:left; padding:4px; font-weight:normal; } .menu1{ width:120px; height:auto; margin:6px 4px 0px 0px; border:1px solid #9CDD75; background-color:#F1FBEC; color:#336601; padding:6px 0px 0px 0px; cursor:hand; overflow-y:hidden; filter:Alpha(opacity=70); -moz-opacity:0.7; } .menu2{ width:120px; height:18px; margin:6px 4px 0px 0px; background-color:#F5F5F5; color:#999999; border:1px solid #EEE8DD; padding:6px 0px 0px 0px; overflow-y:hidden; cursor:hand; } </style> <body> <div id="nav"> <ul> <li class="menu2" onMouseOver="this.className='menu1'" onMouseOut="this.className='menu2'">Home Page <div class="list"> <a href="https://www.jb51.net/"></a> <a href="#">我的首页</a> <a href="#">我的日志</a> <a href="#">我的日志</a> <a href="#">我的相册</a> <a href="#">我的收藏</a> </div> </li> <li class="menu2" onMouseOver="this.className='menu1'" onMouseOut="this.className='menu2'">Connection <div class="list"> <a href="https://www.jb51.net/"></a> <a href="#">我的首页</a> <a href="#">我的日志</a> <a href="#">我的相册</a> <a href="#">我的收藏</a> </div> </li> <li class="menu2" onMouseOver="this.className='menu1'" onMouseOut="this.className='menu2'">My Files <div class="list"> <a href="https://www.jb51.net/"></a> <a href="#">我的相册</a> <a href="#">我的收藏</a> </div> </li> <li class="menu2" onMouseOver="this.className='menu1'" onMouseOut="this.className='menu2'">Management <div class="list"> <a href="https://www.jb51.net/"></a> <a href="#">我的首页</a> <a href="#">我的日志</a> <a href="#">我的相册</a> <a href="#">我的收藏</a> <a href="#">我的日志</a> <a href="#">我的相册</a> <a href="#">我的收藏</a> </div> </li> </ul> </div> </body> </html>
提示：您可以先修改部分代码再运行

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