<!DOCTYPE html>
<html>
<head>
  <title>The page you were looking for cannot be served (4xx)</title>
  <meta name="viewport" content="width=device-width,initial-scale=1">
  <style>
  body {
    background-color: #6CABF7;
    color: #fff;
    text-align: center;
    font-family: arial, sans-serif;
    margin: 0;
  }
  div {
    position:absolute;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
  }
  p {
    color: #eee;
  }
  </style>
</head>

<body>
  <div>
    <h2>The page you were looking for cannot be served.</h2>
    <p>If you are the application owner check the logs for more information.</p>
  </div>
</body>
</html>
