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下拉列表简单代码

<!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=utf-8" />
<title>下拉列表  简单</title>
<style type="text/css">
.xianshi {
    position: absolute;
    left: 0px;
    top: 160px;
     213px;
    height: 44px;
    z-index: 2;
    line-height: 5px;
    border: solid 2px #0066FF;
    overflow:visible;
}
.yincang {
    position: absolute;
    left: 0px;
    top: 160px;
     213px;
    height: 44px;
    z-index: 2;
    line-height: 5px;
    border: solid 2px #0066FF;
    overflow:hidden;
    
}
#apDiv8 {
    position: absolute;
    left: 213px;
    top: -2px;
     270px;
    height: 355px;
    z-index: 3;
    border: solid 2px #0066FF;
    line-height: 25px;
    vertical-align: middle;
}
</style>
</head>

<body>
<div id="apDiv1" align="center" class="yincang" onmouseover="this.className='xianshi'" onmouseout="this.className='yincang'"><h3>首页</h3>
   <div id="apDiv2">首页一</div>
   </div>
</body>
</html>

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原文地址：https://www.cnblogs.com/zxm1002/p/5059307.html

下拉列表 简单代码

下拉列表简单代码