/p>
<div style="columns:4; width:100px; column-gap:0; column-fill:auto; height:100px; background:red;">
  <div style="overflow-x:clip; height:200px;">
    <div style="width:100px; background:red;">
      <div style="width:25px; height:400px; background:green;"></div>
    </div>
  </div>
</div>
