egroupware/timesheet/templates/default/app.css

/**
 * EGroupware: CSS with less preprocessor
 *
 * Please do NOT change app.css directly, instead change app.less and compile it!
 *
 * @link http://www.egroupware.org
 * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
 * @author Stefan Reinhard <stefan.reinhard@pixelegg.de>
 * @package timesheet
 * @version $Id$
 */
#timesheet-index .nextmatch_header #timesheet-index_timesheet-index-add button[id*="timesheet-index_favorite"] img {
  height: 16px;
  width: 16px;
}