<!DOCTYPE html>
<html>
    <head>
        <title>Trailing margin in columns, after a spanner</title>
    </head>
    <body>
        <p>You should see the word 'PASS' below.</p>
        <div style="float:left;">
            <div style="-webkit-columns:4; columns:4; -webkit-column-gap:0; column-gap:0; orphans:1; widows:1;">
                <div style="margin-bottom:1px;">
                    P<br>
                    A<br>
                    S<br>
                    S<br>
                    <div style="-webkit-column-span:all; column-span:all;">&nbsp;</div>
                </div>
            </div>
        </div>
    </body>
</html>