<doctype ht>
<ht>
<head>
<ta charset"utf8">
<ta httpequiv"xuapatible" content"ieedge">
<ta na"viewport" content"widthdevicewidth, initialscale1, xicale1,erscbleno">
<title>404<title>
<style>
body{
backgroundcolor:#444;
fontsize:14px;
}
h3{
fontsize:60px;
color:#eee;
textalign:center;
paddingtop:30px;
fontweight:norl;
}
<style>
<head>
<body>
<h3>404锛屾偍璇锋眰鐨勬枃浠朵笉瀛樺湪<h3>
<body>
<ht>