footer img {
  display: block;
  width: 74px;
  height: 74px;
  object-fit: contain;
  object-position: center;
  filter: none;
  flex: 0 0 74px;
}

@media (max-width: 750px) {
  footer img {
    display: block;
    width: 68px;
    height: 68px;
    flex-basis: 68px;
  }
}