body {
   /* Background pattern da Toptal Subtle Patterns */
   background-image: url("https://agenda.enea.it/event/1050/images/465-sfondo_DTT_TRANSXCSS.png");
   height: 900px;
   width: 100%;
   background-opacity: 0.8;
   text-align: left;
   background-repeat: no-repeat, no-repeat;
   background-position: center;

}