Codebase Browser
chromium
Go to App

chromium/third_party/blink/web_tests/fast/multicol/tall-float2.html 

<!DOCTYPE html>
<html>
    <body>
        <p>There should be no red below.</p>
        <div style="-webkit-columns:3; columns:3; -webkit-column-gap:0; column-gap:0; background:red;">
            <div style="float:left; width:100%; background:yellow;">
                hest<br>hest<br>hest<br>hest<br>hest<br>hest<br>hest<br>hest<br>hest<br>
            </div>
        </div>
    </body>
</html>