<!DOCTYPE html>
<title>
  OOFs and column balancing.
</title>
<link rel="help" href="https://www.w3.org/TR/css-position-3/#abspos-breaking">
<link rel="match" href="../reference/ref-filled-green-200px-square.html">
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div style="height:200px; width:200px; background:red;">
  <div style="width:200px; columns:2; column-rule:solid green; background:green;">
    <div style="contain:size; height:100px;"></div>
    <div style="positio