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Test Info:

<!DOCTYPE html>
<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
<div style="columns:2;">
<span style="position:relative;">
<div style="position:absolute;"></div>
</span>
<div id="surprise" style="display:none;"></div>
<span></span>
</div>
<script>
document.body.offsetTop;
surprise.style.display = "block";
</script>