ow for a negative value; such 'font-size' declaration should be ignored. Then the 'font-size' property value can be determined by computed font-size of containers and from cascade mechanisms (user, author, user agent)." />
        <style type="text/css">* { margin: 0; padding: 0 }
            span
            {
                font-family: Ahem;
            }
            #span1
            {
                font-size: medium;
            }
            #span2
            {
                font-si