index.html

<html>
<head>
  <title>
     Porta Leao
  </title>
</head>

<body>
     <center>
      <h1>Menu de Butoes Porta<h1>
      <form action="/" method="post">
         <input type="submit" name="submit" value="OPEN" style="width: 100px; height: 100px">
         <input type="submit" name="submit" value="CLOSE" style="width: 100px; height: 100px">
     </center>
</body>
</html>