<!DOCTYPE html>
<html>
  <head>
    <title>Boom!</title>
    <meta charset="utf-8" />
    <meta
      name="viewport"
      content="width=device-width,initial-scale=1,user-scalable=no"
    />
    <style>
      body {
        background-color: red;
        color: white;
        font-family: sans;
      }

      div.container {
        width: 75%;
        margin: auto;
        text-align: center;
      }
    </style>
  </head>
  <body>
    <div class="container">
      <h1>Boom!</h1>
      <p>Something bad happened...</p>
      <p>$ERROR</p>
    </div>
  </body>
</html>
