<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Multi-column Layout Test: Test break-inside:avoid block in a nested multi-column shouldn't causean infinite loop</title>
<link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
<link rel="author" title="Mozilla" href="https://www.mozilla.org/">
<link rel="help" href="https://drafts.csswg.org/css-multicol-1/#the-multi-column-model">
<link rel="help" href="https://drafts.csswg.org/css-break-3/#break-within">
<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 id="outer" style="columns: 2; column-gap: 0; width: 100px; height: 100px;">
  <div id="inner" style="columns: 2; column-gap: 0;">
    <div style="height: 400px; break-inside: avoid; background: green"></div>
  </div>
</div>