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chromium/third_party/blink/web_tests/paint/pagination/composited-paginated-inline.html 

<!DOCTYPE html>
<!-- Passes if the text shows up in the top of the second column -->
<div style="columns:2; column-fill:auto; column-gap:10px; width:100px; height:40px; line-height:20px">
    <br><br>
    <span style="position:relative; will-change:transform; background:yellow;">text</span>
</div>