position-area-scrolling-004.tentative.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-anchor-position/position-area-scrolling-004.tentative.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Avoid negative IMCB correctly when scrolled past the anchor</title>

<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">

<link rel="help" href="https://drafts.csswg.org/css-anchor-position-1/#scroll">

<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="scroller" style="position:relative; overflow:hidden; width:100px; height:100px; background:red;">

  <div style="anchor-name:--a; margin-top:150px; height:10px;"></div>

  <div id="abspos" style="display:none; position:absolute; position-anchor:--a; position-area:top; width:100px; height:100px;">

    <div style="margin-top:170px; height:100px; background:green;"></div>

  </div>

  <div style="height:1500px;"></div>

</div>

<script>

  scroller.scrollTop = 220;

  abspos.style.display = "block";

</script>