#diapo-emph {
  max-width: 100%;
  height: 350px;
  max-height: 350px;
  object-fit: scale-down;
  background-color: #f8f8f8;
  cursor: pointer;
}

.diapo {
  margin-bottom: 20px;
  position: relative;
}

.diapo-img {
  --size: 90px;
  cursor: pointer;
  height: var(--size);
  width: var(--size);
  //height: 100%;
  object-fit: cover;
  background-color: #f8f8f8;
}