<!DOCTYPE html>
<html>
  <meta charset="utf-8">
  <title>Tests un-fragmentable flex item is pushed to the second column if it cannot fit in the first column.</title>
  <link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
  <link rel="author" title="Mozilla" href="https://www.mozilla.org/">
  <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#pagination">
  <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1743890">
  <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
  <link rel="stylesheet" href="/fonts/ahem.css">
  <style>
  .multicol {
    column-count: 2;
    column-gap: 0;
    column-fill: auto;
    background: red;
    width: 100px;
    height: 100px;
  }

  .flexbox {
    display: flex;
    flex-direction: column-reverse;
    row-gap: 5px;
    font: 40px/1 Ahem;
    background: green;
    color: green;
    border: solid green;
    border-width: 15px 5px;
  }
  </style>

  <p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
  <div class="multicol">
    <!-- This div makes the flexbox not at the top of first column. -->
    <div style="width: 50px; height: 20px; background: green;"></div>

    <div class="flexbox">
      <div>X</div>
      <div>X</div> <!-- The second item should be at the top of the second column. -->
      <div>X</div>
    </div>
  </div>
</html>
