<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#pagination">
<link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div style="margin-left:-100px; columns:2; height:200px; width:200px; column-gap:0; column-fill:auto;">
  <div style="height:199px;"></div>
  <div style="display:flex; flex-direction:column;">
    <div style="columns:2; width:100%; column-gap:0; background:red; line-height:0;">
      <div style="display:inline-block; width:100%; height:20px; background:green;"></div>
      <div style="height:180px; background:green;"></div>
    </div>
  </div>
</div>
