.nav {  font-family: Arial, Helvetica, sans-serif; font-size: 18px; font-weight: bold; color: #CCCCCC; text-decoration: none; background-color: #000000; text-align: center}
.main_text {  font-family: Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal}
.dates {  background-color: #000000; background-image: url(../pics/kl_isw-Kopie.jpg); background-repeat: no-repeat; font-family: Arial, Helvetica, sans-serif; font-size: 18px}
.tres {  font-family: Arial, Helvetica, sans-serif; font-size: 18px; background-color: #000000; background-image: url(../pics/tres_pix_sw2.jpg); background-repeat: no-repeat}