div遮盖,弹出层

<html>
    <head>
    <title>LIGHTBOX EXAMPLE</title>
    <meta charset="utf-8" />
    <style>
    .black_overlay
    {
    display: none;
    position: absolute;
    top: 0%;
    left: 0%;
    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%;
    50%;
    height: 50%;
    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>
    <button> asdfasd</button>
    <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>

原文地址:https://www.cnblogs.com/feiqi/p/3794326.html