t.html#leading" />
        <meta name="flags" content="ahem" />
        <meta name="assert" content="The 'vertical-align' property does not apply to elements with 'display' set to 'block'." />
        <style type="text/css">* { margin: 0; padding: 0 }
            span
            {
                background: orange;
                color: blue;
                display: block;
                font: 20px/1em Ahem;
                height: 1in;
                vertical-align: bottom;
              