.nurstech {  font-family: Arial, Helvetica, sans-serif; font-size: 14px; line-height: 19px; color: #333333}
.world {  font-family: Arial, Helvetica, sans-serif; font-size: 12px; line-height: 16px}
.vit {  font-family: Arial, Helvetica, sans-serif; font-size: 11px; line-height: 14px}