简略清晰的弹出层 _Web前端

简单清晰的弹出层
<html>
<head>
<title>LIGHTBOX EXAMPLE</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: 30%;
left: 30%;
width: 40%;
height: 40%;
padding: 16px;
border: 16px solid orange;
background-color: white;
z-index:1002;
overflow: auto;
}
</style>
</head>
<body>
<p> 可以根据自己要求修改css样式<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></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>