一秒记住
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<htmlxmlns=".w3./1999/xhtml">
<head>
<metahttp-equiv="tent-type"tent="text/html;charset=gb2312"/>
<title>404-??????????????</title>
<styletype="text/css">
<!--
body{margin:0;font-size:.7em;font-family:verdana,rial,helvetica,sans-serif;background:eeeeee;}
fieldset{padding:015px10px15px;}
h1{font-size:2.4em;margin:0;color:fff;}
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header{width:96%;margin:0000;padding:6px2%6px2%;font-family:"trebuchets",verdana,sans-serif;color:fff;
background-color:555555;}
tent{margin:0002%;positioive;}
.tent-tainer{background:fff;width:96%;margin-top:8px;padding:10px;positioive;}
-->
</style>
</head>
<body>
<h1>??????????</h1>
<fieldset>
<h2>404-??????????????
<!--go-->