.sponsors{
  /* background-color: aquamarine; */
  background: url("../img/colaboratori/bg-img-3.jpg") center top no-repeat fixed;
  background-size: cover;
  padding: 60px 0 30px 0;
  position: relative;
  min-height: 200px;

}
.sponsors::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.9);
   z-index: 9;
}
.sponsors .container {
  position: relative;
  z-index: 10;
}
.sponsors .card-s {
  border-radius: 3px;

  /* box-shadow: 0px 2px 15px rgba(0, 0, 0, 0.1); */
  margin-bottom: 30px;
}
.sponsors .card-s img {
  max-height: 100px;
  max-width: 150px;

}

.sponsors .card-s img:hover {
  /* border: 1px solid #bb2834; */
  box-shadow: 10px 10px 5px 0px rgba(0, 0, 0, 0.6);
}