/CSS21/visudet.html#leading" />
        <meta name="flags" content="ahem" />
        <meta name="assert" content="The 'vertical-align' property does not apply to elements with 'display' set to 'table-header-group'." />
        <style type="text/css">* { margin: 0; padding: 0 }
            div
            {
                color: blue;
                font: 20px/1em Ahem;
            }
            #test
            {
                display: table-header-group;
                vertical-align: bot