<!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>
<title>网页特效-窗口特效-弹出窗口后网页背景变暗的效果</title>
<meta http-equiv="content-Type" content="text/html;charset=gb2312">
<!--把下面代码加到<head>与</head>之间-->
<style type="text/css">
.black_overlay{display:none;position:absolute;top:0%;left:0%;100%;height:100%;background-color:black;z-index:1001;-moz-opacity:0.2;opacity:.20;filter:alpha(opacity=20);}
.white_content{display:none;position:fixed;top:25%;left:25%;50%;height:50%;padding:16px;border:3px solid orange;background-color:white;z-index:1002;overflow:auto;}
</style>
</head>
<body>
<!--把下面代码加到<body>与</body>之间-->
<a href="javascript:void(0)" onclick="document.getElementById('light').style.display='block'; document.getElementById('fade').style.display='block'">
点击这里打开窗口</a>
<div id="fade" class="black_overlay">123</div>
<div id="light" class="white_content">
<a href="javascript:void(0)" onclick="document.getElementById('light').style.display='none';document.getElementById('fade').style.display='none'">
Close</a><br>窗口内容
</div>
</body>
</html>
