php script need to assign a css class

Hi, this script show a widget in a side bar but i want to style the link it produces, im not sure if im right but im guessing the attached script is what produces this, can anyone tell me where i can add “class” to?

### New Download Widget
  function widget_dm_new_download($args) {
    $settings = get_option('widget_dm_new_download');
    extract($args);
    $title = $settings['title'];
    echo $before_widget.$before_title.$title.$after_title;
    dm_get_new_download('<li>', '</li>', $settings['limit'], $settings['avarage'], $settings['category']);
    echo $after_widget;
  }

  function widget_dm_new_download_settings() {
    $settings = get_option('widget_dm_new_download');
		if (!is_array($settings))
			$settings = array('title' => __('New Downloads', 'downloads-manager'), 'limit' => 10, 'avarage' => false, 'category' => false);
    if ($_POST['new_download_widgets_update']) {
			$settings['title'] = strip_tags(addslashes($_POST['new_download_widgets_title']));
			$settings['limit'] = intval($_POST['new_download_widgets_limit']);
			$settings['avarage'] = $_POST['new_download_widgets_avarage'];
      $settings['category'] = $_POST['new_download_widgets_category'];
			update_option('widget_dm_new_download', $settings);
		}
    $checked = $settings['category'] ? 'checked' : '';
    echo '<p><label>'.__('Title', 'downloads-manager').': <input type="text" name="new_download_widgets_title" value="'.htmlspecialchars(stripslashes($settings['title'])).'"></label></p>';
    echo '<p><label>'.__('Limit', 'downloads-manager').': <input type="text" name="new_download_widgets_limit" value="'.stripslashes($settings['limit']).'"></label></p>';
    echo '<p>'.__('Show Category', 'downloads-manager').': <input type="checkbox" name="new_download_widgets_category" value="true" '.$checked.'></p>';
    $checked = $settings['avarage'] ? 'checked' : '';
    echo '<p>'.__('Show Avarage', 'downloads-manager').': <input type="checkbox" name="new_download_widgets_avarage" value="true" '.$checked.'></p>';
    echo '<input type="hidden" id="new_download_widgets_update" name="new_download_widgets_update" value="1" />';
  }

  register_sidebar_widget(__('Most Downloaded', 'downloads-manager'), 'widget_dm_top10', 1);
  register_widget_control(__('Most Downloaded', 'downloads-manager'), 'widget_dm_top10_settings', 400, 200);

  register_sidebar_widget(__('New Downloads', 'downloads-manager'), 'widget_dm_new_download', 1);
  register_widget_control(__('New Downloads', 'downloads-manager'), 'widget_dm_new_download_settings', 400, 200);
}