<!doctype html>
<html>

<head>
  <meta charset="utf-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
  <title>404</title>
  <style>
    body {
      background-color: #444;
      font-size: 14px;
    }

    h3 {
      font-size: 60px;
      color: #eee;
      text-align: center;
      padding-top: 30px;
      font-weight: normal;
    }
  </style>
</head>

<body>
  <h3>404，您请求的文件不存在!</h3>
</body>

</html>