<!DOCTYPE html>
<html>
    <body>
        <p>Below there should be <em>one</em> column with 7 lines.</p>
        <div id="elm" style="line-height:2em;">
            line<br>
            line<br>
            line<br>
            line<br>
            line<br>
            line<br>
            line<br>
        </div>
    </body>
</html>