     @media (max-width: 480px) {
          .options-menu {
              visibility: hidden;
              bottom: 5px;
              left: 5px;
          }

          .options-menu-visible {
              visibility: visible;
          }

          .phone-menu-toggler {
              visibility: visible;
              position: fixed;
              top: 5px;
              right: 5px;
          }
      }

  </style>
</head>

<body>
<div class="full-screen" id="container"></div>
<script type="module" src="./