examples/top-and-left-scrollbars.html

<!DOCTYPE html>
<html>
  <head>
    <link href="../css/perfect-scrollbar.css" rel="stylesheet">
    <script src="../dist/perfect-scrollbar.js"></script>
    <style>
    #container {
      position: relative;
      margin: 0px auto;
      padding: 0px;
      width: 600px;
      height: 400px;
      overflow: auto;
    }
    #container .content {
      background-image: url('./assets/azusa.jpg');
      width: 1280px;
      height: 720px;
    }

    /* Change the alignment of scrollbars */
    /* Recommendation: modify CSS directly */
    .ps__rail-x {
      top: 0px;
      bottom: auto; /* If using `top`, there shouldn't be a `bottom`. */
    }
    .ps__rail-y {
      left: 0px;
      right: auto; /* If using `left`, there shouldn't be a `right`. */
    }
    .ps__thumb-x {
      top: 2px;
      bottom: auto; /* If using `top`, there shouldn't be a `bottom`. */
    }
    .ps__thumb-y {
      left: 2px;
      right: auto; /* If using `left`, there shouldn't be a `right`. */
    }
    </style>
  </head>
  <body>
    <div id="container">
      <div class="content">
      </div>
    </div>

    <script>
    new PerfectScrollbar('#container');
    </script>
  </body>
</html>