<html>
  <head>
    <title>Culling Test</title>
    <meta name="viewport" content="width=device-width">
  </head>
  <body style="background:red" onload="loaded()">
    <div style="height:390px; width:300px; overflow-y:hidden; background:red">
      <div style="margin:15px; width:200px; height:40px; background:blue"></div>
      <div style="margin:15px; width:200px; height:40px; background:blue"></div>
      <div style="margin:15px; width:200px; height:40px; background:blue"></div>
      <div style="margin-top:15px; width:300px; height:40px; background:blue"></div>
      <div style="margin:15px; width:200px; height:40px; background:blue"></div>
      <div style="margin:15px; width:200px; height:40px; background:blue"></div>
      <div style="margin:15px; width:200px; height:40px; background:blue"></div>
    </div>
    <script>
      function loaded() {
        var scrollableDiv = document.querySelector("div");
        scrollableDiv.scrollTop = 10;
      }
    </script>
  </body>
</html>