<!DOCTYPE html>
<html>
  <body style="font: 14px serif">
    <div style="column-count:2; column-gap: 0; height: 100px; width: 550px; border: 1px solid black;">
      <div style="margin-top: 60px;">Spacer</div>
      <div>
        Lime float at right.
        <span style="float:right; background: lime;">FLOAT</span>
      </div>
    </div>
  </body>
</html>