 position: absolute;
  }

  .spacer {
    width: 100px;
    height: 150px;
  }
</style>
<div class="shadow"></div>
<div class="cover" style="left: 100px; top: 0"></div>
<div class="spacer"></div>
<div class="shadow"></div>
<div class="cover" style="top: 350px"></div>
</script>
