dth=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"></script>
  a:link {
        text-decoration: none;
      }
       label #sidebar_btn {
      z-index: 1;
      color: #fff;
      position: fixed;
      cursor: pointer;
      left: 300px;
      pa