<!DOCTYPE html>
<title>
  Multi-line column flex fragmentation: break-before:avoid/break-inside:avoid
  and column balancing.
</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>
  #flex {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    height: 200px;
  }
  #flex > div {
    width: 25px;
    background: green;
    flex: none;
  }
</style>
<p>Test passes if there is a fi