$html_output .= $q->start_html(-title=>'petnuch.com',
          -style=>{-src=>'/css/layout.css'}
          );

  $html_output .= banner($self);
  $html_output .= menu($self);
  $html_output .= create_error($self);
  $html_output .= footer($self);
  $html_output .= $q->end_html();