   <div class="box1"></div>
  </div>
</div>
<div style="left: 300px; top: 300px;">
  <div style="width: 40px; height: 20px; overflow: hidden;">
    <div class="box1" style="position: relative;"></div>
  </div>
</div>
<script>
  window.setTimeout(() => {
    console.log("ExampleFinished");
  }, 1000);
</script>  
</body></html>
