text: <!DOCTYPE html>
  <html>
  <head>
    <title>We're sorry, but something went wrong (500)</title>
    <style type="text/css">
      body { background-color: #fff; color: #666; text-align: center; font-family: arial, sans-serif; }
      div.dialog {
        width: 25em;
        padding: 0 4em;
        margin: 4em auto 0 auto;
        border: 1px solid #ccc;
        border-right-color: #999;
        border-bottom-color: #999;
      }
      h1 { font-size: 100%; color: #f00; line-height: 1.5em; }
    </style>
  </head>
  
  <body>
    <!-- This file lives in public/500.html -->
    <div class="dialog">
      <h1>We're sorry, but something went wrong.</h1>
      <p>We've been notified about this issue and we'll take a look at it shortly.</p>
    </div>
  </body>
  </html>
  