.iniziativa::before{
   
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.3);
 
  }
  .iniziativa {
  position: relative;
  height: 100vh;
  background-size:cover;
  color: #ffffff;
  display: flex;
  align-items: center;
  padding: 0px;
   opacity:0.9;
  
}
.iniziativa:after {
  content:url("https://www.ingegneriasismicaitaliana.com/img/logo_youtube.png");
  z-index:999;
  position:absolute;
  top:50%;
  left:50%;
  margin-left:-32px;
  margin-top:-32px;
} 
.agenda{ margin-bottom:0px } 
.testimonial-carousel1 .owl-nav {  position: absolute;  top: 41%;  right: -20px;  display: flex;  height: 100px;} 
.testimonial-carousel1 .owl-nav .owl-prev{ border-radius: 0px; border:1px solid #ccc; background-color:#fff;margin-left:-30px;box-shadow: 0px 6px 12px 0.8px rgba(177, 177, 177, 0.38); }
.testimonial-carousel1 .owl-nav .owl-next{ border-radius: 0px; border:1px solid #ccc; background-color:#fff;margin-top:45px; margin-left:-39px;box-shadow: 0px 6px 12px 0.8px rgba(177, 177, 177, 0.38); }
@media (max-width: 768px) {
  .xCalendar1 {  margin-top: 10px; }
  .agenda{ margin-bottom:10px } 
   .boxeventi{ padding-top:20px !important}
}