<!DOCTYPE html>
<title>
  Flex container fragmentation with break-before: column.
</title>
<link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#pagination">
<link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
<style>
  .multicol {
    background: red;
    column-count: 4;
    column-gap: 0px;
    height: 100px;
    position: relative;
    width: 100px;
  }
  .flex {
    background: green;
    display: flex;
    width: 25px;
  }
  .abs {
    height: 50px;
    position: absolute;
    width: 25px;
  }
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div class="multicol">
  <div class="flex" style="height: 50px;"></div>
  <div class="flex" style="height: 50px; break-before: column;"></div>
  <div class="flex" style="height: 300px;"></div>
  <div class="abs" style="background: green; top: 50px; left: 0px;"></div>
  <div class="abs" style="background: white; top: 0px;"></div>
</div>
