lay: flex;">
    <div style="margin-bottom: 150px;">
      <div style="height: 50px; width: 50px; background: green;"></div>
    </div>
  </div>
  <div style="position: absolute; top: 50px; height: 50px; width: 50px; background: green;"></div>
  <div style="height: 100px; width: 50px; background: green;"></div>
</div>
