#sostenitori-content .thb-team-member img {
  border: 0.15em solid rgb(100 100 100);
}

#sostenitori-content .thb-team-member {
  transition: all 0.25s cubic-bezier(0.37, 0.31, 0.2, 0.85);
}

#sostenitori-content .thb-team-member:hover {
  opacity: 0.6;
  transition: all 0.25s cubic-bezier(0.37, 0.31, 0.2, 0.85);
}