.mySlides {display: none;}

.contenitore img {vertical-align: middle;}

/* Slideshow container */
.contenitore {
  max-width: 1000px;
  position: relative;
  margin: auto;
}
/* Fading animation */
.fade {
  -webkit-animation-name: fade;
  -webkit-animation-duration: 1.5s;
  animation-name: fade;
  animation-duration: 1.5s;
}

@-webkit-keyframes fade {
  from {opacity: .4} 
  to {opacity: 1}
}

@keyframes fade {
  from {opacity: .4} 
  to {opacity: 1}
}