<!DOCTYPE html> <link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org"> <link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1378039"> <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 style="columns:2; gap:0; width:100px; column-fill:auto; height:100px; background:red;"> <div style="max-height:0;"> <div style="height:150px; contain:size;"></div> <div style="display:flow-root; margin-bottom:80px;"></div> </div> <div style="display:flex; height:200px; background:green;"></div> </div>