<!DOCTYPE html><linkrel="author"title="Morten Stenshorne"href="mailto:mstensho@chromium.org"><linkrel="help"href="https://bugs.chromium.org/p/chromium/issues/detail?id=1500947"><linkrel="match"href="../../reference/ref-filled-green-100px-square.xht"><style>.flex{display:flex;flex-flow:rowwrap;}.flex>div{flex:00100%;background:green;}.flex>div>div{contain:size;height:50px;}</style><p>Test passes if there is a filled green square and <strong>no red</strong>.</p><divstyle="width:100px; height:100px; background:red;"><divstyle="columns:2; gap:0; column-fill:auto; height:110px;"><divstyle="height:10px;"><divstyle="height:50px; background:green;"></div><divclass="flex"><div><div></div></div><div><div></div></div><div><div></div></div></div></div></div></div>