var bigSize = 1.5; // variable now available to CSS, as well as HTML and JS
funcyStyle( '#css-demo', {
                '.red': { color:'red' },
                '#blue': { color:'blue' },
                i: { fontSize_em: bigSize, fontStyle:'normal' }
            }
          );

p( { id:'css-demo' },
   span( {class_:'red'}, 'Red peeps' ),
   'are',
   i( 'bigger and',
      span( {class_:'red'}, 'redder' ) ),
   'than',
    span( {id:'blue'}, 'blue peeps.') );