<!DOCTYPE html>
<title>
  Multi-line column flex fragmentation with break-before: avoid.
</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 {
    column-count: 5;
    column-fill: auto;
    column-gap: 0px;
    height: 100px;
    width: 100px;
    position: relative;
    background: red;
  }
  .abs {
    position: absolute;
    width: 5px;
    background: green;
  }
  #flex {
   