e-props" />
        <link rel="help" href="http://www.w3.org/TR/css-fonts-3/#font-size-prop"/>
        <link rel="match" href="../reference/no-red-on-blank-page-ref.xht"/>
        <meta name="flags" content="ahem invalid" />
        <meta name="assert" content="The 'font-size' property sets a minimum minus one length value in centimeters is invalid; 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 mecha