ocument.getElementById('scroller1').scrollTop = 50;
  document.getElementById('scroller2').scrollTop = 125;
  document.getElementById('scroller3').scrollTop = 250;
  createIndicatorForStickyElements(document.querySelectorAll('.sticky'));
});
</script>

<div>You should see three green rectangles below. No red or blue should be visible.</div>

<div class="group">
  <div id="scroller1" class="scroller">
    <div class="indicator inline" style="top: 150px;">XXX</div>
    <div class="contents">
      <div class=