Custom media queries (Mobile Only)

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Custom media queries (Mobile Only)</title>
  <style>

    .clone {
      position: absolute;
      top: 10px;
      left: 10px;
      text-decoration: none;
      background-color: white;
      width: 150px;
      text-align: center;
      color: red;
      font-family: arial black;
      padding: 5px 20px;
    }

    .sub_clone {
      position: absolute;
      top: 50px;
      left: 10px;
      text-decoration: none;
      background-color: white;
      width: 150px;
      text-align: center;
      color: red;
      font-family: arial black;
      padding: 5px 20px;
    }


    body {
      margin: 0;
      overflow: hidden;
    }

    .desktop {
      background-color: red;
      width: 100%;
      height: 100vh;
      position: absolute;
      display: none;
    }

    .desktop h1 {
      font-family: verdana;
      text-align: center;
      color: white;
      font-size: 100px;
      margin-top: 200px;
    }

    .media h1 {
      font-family: courier;
      text-align: center;
      color: red;
      font-size: 50px;
    }

    #media {
      position: absolute;
      top: 0px;
      left: 0;
      width: 100%;
      height: 100vh;
      display: none;
    }

    img {
      width: 80%;
      margin: 20px auto;
      display: block;
    }

    video {
      width: 80%;
      margin: auto;
      display: block;
      transform-origin: center top;
      transform: scaleY(1.5);
      padding-bottom: 20px;
    }

    #bt {
      width: 30px;
      height: 30px;
      border-radius: 50%;
      position: fixed;
      right: 0;
      top: 0;
      margin: 10px;
    }

    #bt_menu {
      width: 30px;
      height: 30px;
      border-radius: 50%;
      position: absolute;
      right: 0;
      top: 0;
      margin: 10px;
    }

    #menu {
      position: absolute;
      top: 0px;
      left: 0;
      width: 100%;
      height: 100vh;
      display: none;
      box-sizing: border-box;
      background-color: olive;
      padding-top: 40px;
    }

    .link {
      margin: 5px 0;
      text-decoration: none;
      display: block;
      color: white;
      font-family: verdana;
      font-size: 16px;
      padding: 5px 10px;
      font-weight: 900;
      background-color: red;
    }

    @media all and (max-width:425px) {
      #media {
        display: block;
        overflow-Y: scroll;
      }
.clone{display:none;}
.sub_clone{display:none;}
    }

    @media all and (min-width: 426px) and (max-width: 538px) and (orientation: landscape) {
      #media {
        display: block;
        overflow-Y: scroll;
      }
.clone{display:none;}
.sub_clone{display:none;}
    }

    @media all and (min-width: 824px) {
      .desktop {
        display: block;
      }
    }
  </style>
</head>

<body id='bd'>

  <section id='desktop' class='desktop'>
    <h1>Mobile Only</h1>
  </section>

  <section id='menu' class='menu'>
    <button id='bt_menu'></button>
    <a class='link' href='https://codepen.io/manuel-andrade/pen/GRMxLyV'>Javascript HTML5 video autoplay fullscreen
    </a>
    <a class='link' href='https://codepen.io/manuel-andrade/pen/VwMxWvP'>Anonymous function javascript
    </a>
  </section>

  <section id='media' class='media'>
    <button id='bt'></button>
    <img src='https://1xpto.netlify.app/pics/cat.gif' />
    <h1 class='lazy'>Lazy <br> Cat</h1>
    <video id='video' autoplay muted loop src='https://1xpto.netlify.app/video/video.mp4'></video>
  </section>

  <a id='clone' class='clone' title="Subscribe and hit the notification bell for more updates. It's free." href='https://www.youtube.com/channel/UCqLpDK0eOsG1eEeF9jOUZkw'>SUBSCRIBE</a>

  <a id='sub_clone' class='sub_clone' href='https://1xpto.netlify.app/video/video sample02.mp4'>VIDEO SAMPLE</a>


  <script>
    bt.onclick = () => {
      media.style.display = 'none';
      menu.style.display = 'block';
      menu.style.zIndex = '-1';
    }
    bt_menu.onclick = () => {
      media.style.display = 'block';
      menu.style.display = 'none';
      desktop.style.zIndex = '1';
clone.style.zIndex = '1';
sub_clone.style.zIndex = '1';
    }
  </script>
</body>

</html>