在线等待--lightbox问题
请问哪位知道Lightbox响应时，滚动条下方没有变成灰色,怎么让显示出来的窗口居中.整个窗口都奕成灰色
<html>
<head>
<title>纯CSS Lightbox效果</title>
<style>
.black_overlay{
display: none;
position: absolute;
top: 0%;
left: 0%;
width: 100%;
height: 100%;
background-color: black;
z-index:1001;
-moz-opacity: 0.8;
opacity:.80;
filter: alpha(opacity=80);
}
.white_content {
display: none;
position: absolute;
top: 25%;
left: 25%;
width: 50%;
height: 50%;
padding: 16px;
border: 16px solid orange;
background-color: white;
z-index:1002;
overflow: auto;
}
</style>
</head>
<body>
<p>a</p>
<p>a</p>
<p>a</p>
<p>o</p>
<p>a</p>
<p>a</p>
<p>a</p>
<p>d</p>
<p>d</p>
<p>d</p>
<p>dclick <a href = "javascript:void(0)" onclick = "document.getElementById('light').style.display='block';document.getElementById('fade').style.display='block'">here</a></p>
<p>d</p>
<p> </p>
<p>d</p>
<p>d</p>
<p>d</p>
<p>d</p>
<p>d</p>
<p>dx </p>
<div id="light" class="white_content">This is the lightbox content. <a href = "javascript:void(0)" onclick = "document.getElementById('light').style.display='none';document.getElementById('fade').style.display='none'">Close</a></div>
<div id="fade" class="black_overlay"></div>
</body>
</html>
麻烦各位帮帮忙..具体怎么做
[解决办法]
暂时好用，加上<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
就完蛋了，哈
<html><head> <title>纯CSS Lightbox效果 </title> <style> .black_overlay{ display: none; position: absolute; top: 0px; left: 0px; width: 100%; height: 100%; background-color: black; z-index: 1001; -moz-opacity: 0.8; opacity: .80; filter: alpha(opacity=60);}.white_content{ position: absolute; top: 25%; left: 25%; width: 50%; height: 50%; padding: 16px; border: 16px solid orange; background-color: white; z-index: 1002; overflow: auto;} </style></head><body> <div style="width: 100px; height: 800px; background-color: red;"></div> <p> dclick <a href="javascript:void(0)" onclick="showLightBox();"> here </a> </p> <div style="width: 100px; height: 800px; background-color: blue;"></div> <div id="fade" class="black_overlay"> <div id="light" class="white_content"> This is the lightbox content. <a href="javascript:void(0)" onclick="hideLightBox()"> Close </a> </div> </div> <script type="text/javascript"> <!--function showLightBox(){ var c = document.getElementById('fade'); // 显示。 c.style.display = 'block'; // 重定位。 c.style.top = document.body.scrollTop; // 关闭滚动条。 document.body.scroll = "no";}function hideLightBox(){ var c = document.getElementById('fade'); // 隐藏。 c.style.display = 'none'; // 打开滚动条。 document.body.scroll = "yes";} //--> </script></body></html>