ul.tabs{margin:0;padding:0;width:100%;float:left;list-style:none;height:30px;border-bottom:1px solid #999;border-left:1px solid #999}ul.tabs li{margin:0;padding:0;float:left;height:29px;line-height:29px;border:1px solid #999;border-left:none;margin-bottom:-1px;overflow:hidden;position:relative;background:#D2E1F6}ul.tabs li a{padding:0 20px;display:block;color:#555;text-decoration:none;border:1px solid #fff;outline:none}ul.tabs li a:hover{background:#D2E1F6}ul.tabs li.active,ul.tabs li.active a:hover{background:#fff;border-bottom:1px solid #fff}.contenitore_tab{border:1px solid #999;border-top:none;overflow:hidden;clear:both}.contenuto_tab{padding:5%;width:auto}