<!DOCTYPE html>
<html>

<head>
  <style>
    ::-webkit-scrollbar {
      width: 0px;
      height: 0px;
    }
    body {
      margin: 0px;
      height: 1000px;
    }
    #navbar {
      background: silver;
      width: 200px;
      height: 30px;
      position: fixed;
      bottom: 50px;
      left: 50px;
    }
  </style>
</head>

<body>
  <div id="navbar">a</div>
</body>

</html>