.testo_small { text-decoration: none; font-family: Helvetica, Arial, Geneva; font-size: 10px; font-weight: normal ; line-height: 12px}
.testo { text-decoration: none; font-family: Helvetica, Arial, Geneva; font-size: 12px; font-weight: normal ; line-height: 16px}
.testo_bold { text-decoration: none; font-family: Helvetica, Arial, Geneva; font-size: 11px; font-weight: bold; line-height: 14px}
.testo_medium { text-decoration: none; font-family: Helvetica, Arial, Geneva; font-size: 16px;  font-weight: normal ; line-height: 18px}
.testo_big { text-decoration: none; font-family: Helvetica, Arial, Geneva; font-size: 18px;  font-weight: normal ; line-height: 20px}