.blue{margin:0px 0px 0px 0px;width:48;border:1px solid #00F;cursor:pointer;font-family:MS Sans Serif;font-size:10px;vertical-align:middle;letter-spacing:0;color:#00F;padding-left:0;padding-right:0;padding-top:0;padding-bottom:0;background-color:#FFF;background-image:url('altaer/color_bg.gif');text-align:center}.gray{margin:0px 0px 0px 0px;width:48;border:1px solid #CCC;cursor:pointer;font-family:MS Sans Serif;font-size:10px;vertical-align:middle;letter-spacing:0;color:#CCC;padding-left:0;padding-right:0;padding-top:0;padding-bottom:0;background-color:#FFF;background-image:url('altaer/color_bg.gif');text-align:center}.black{margin:0px 0px 0px 0px;width:48;border:1px solid #000;cursor:pointer;font-family:MS Sans Serif;font-size:10px;vertical-align:middle;letter-spacing:0;color:#000;padding-left:0;padding-right:0;padding-top:0;padding-bottom:0;background-color:#FFF;background-image:url('altaer/color_bg.gif');text-align:center}