.jumbotronMain {
  padding: 30px;
  margin-bottom: 30px;
  font-size: 21px;
  font-weight: 200;
  line-height: 2.1428571435;
  color: inherit;
  min-height:80%;
  background-color: #eeeeee;
  background:url('Images/sfondo_somed3.jpg') no-repeat center center;
  background-size:cover;
}

/*.btnMain {
  
 opacity:0.5;
  box-shadow: 6px 6px 1px #666666;
}*/