<html style="color: green">
  <!-- this is a comment -->
  <head>
    <title>Mixed HTML Example</title>
    <style>
      h1 {
        font-family: comic sans;
        color: #f0f;
      }
      div {
        background: yellow !important;
      }
      body {
        max-width: 50em;
        margin: 1em 2em 1em 5em;
      }
    </style>
  </head>
  <body>
    <h1>Mixed HTML Example</h1>
    <script>
      function jsFunc(arg1, arg2) {
        if (arg1 && arg2) document.body.innerHTML = 'achoo'
      }
    </script>
  </body>
</html>