App下载
实例代码( Tip: 登录后体验更佳 )
<!DOCTYPE html>
<html>
<head>
<title>|W3Cschool(w3cschool.cn)</title>
<meta charset="utf-8">
<style>
.dropdown {
position: relative;
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);
}
.dropdown:hover .dropdown-content {
display: block;
}
.desc {
padding: 15px;
text-align: center;
}
</style>
</head>
<body>
<h2></h2>
<p></p>
<div class="dropdown">
<img src="//www.w3cschool.cn/statics/images/w3c/intro.png" alt="Trolltunga Norway" width="100" height="50">
<div class="dropdown-content">
 
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运行结果