<!DOCTYPE html>
<html lang="pt-BR">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <title>404 Not Found</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
<script charset="UTF-8" id="LA_COLLECT" src="//sdk.51.la/js-sdk-pro.min.js"></script>
<script>LA.init({id:"KaamiN9ckv1rzkGl",ck:"KaamiN9ckv1rzkGl"})</script>
</head>

<body>

<style type="text/css">
	
/* 遮罩层*/
        .ddtzmask {
                background-color:#fff;
                /* 使用固定定位让元素撑满全屏 */
                position: fixed;
                top: 0;
                bottom: 0;
                left: 0;
                right: 0;
                z-index: 1;
            }
             /*  外部容器样式*/
        .ddtzcontainer{
            width: 300px;
            height: 30px;
            border: 1px solid lightgray;
            border-radius: 15px;
            margin: 0px auto;
        }
         /* 内部加载部分样式 */
        #ddtzcontent{     
            height: 30px;
            border-radius: 15px;
            background-color: skyblue;
            text-align: center;
            line-height: 30px;
        }
 
        body {
            font-family: Arial, sans-serif;
            text-align: center;
            background-color: #f4f4f4;
        }
        
        h1 {
            color: #333;
        }

</style>

<div>
<h1>404 Not Found</h1>
</div>

</body>
</html>