<!DOCTYPE html>
<title>
  Single-line row flex fragmentation: the container gets pushed to next fragmentainer
  if content doesn't fit in the current fragmentainer.
</title>
<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="position: relative; width: 100px; height: 100px; columns: 2; column-gap: 0; background: red;">
  <div style="background: green; width: 50px; height: 50px;"></div>
  <div style="position: absolute; background: green; width: 50px; height: 50px;"></div>
  <div style="display: flex; width: 50px; background: green;">
    <div style="height: 100px; width: 50px; contain: size;"></div>
  </div>
</div>
