.carousel.bw-img img {
  filter: saturate(0);
}

.carousel.bw-img img:hover {
  filter: saturate(1);
}

@media screen and (max-width: 900px) {
  .carousel.bw-img img {
    filter: saturate(1) !important;
  }
}

.wrap {
  margin-top: 50px;
  margin-bottom: 50px !important;
}