<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<style>
body {
}

@media only screen and (max-width: 480px) {
  body {
    visibility: hidden;
  }
}
</style>
</head>
<body>

<h1>The @media Rule</h1>

<p>Pencere genişliği 480 pixel ve azsa body gizlenir.</p>

</body>
</html>