footer {
  background-color: black;
}

footer .list-unstyled li a {
  text-decoration: none;
  color: #808080;
  transition: color 0.3s ease;
}

footer .list-unstyled li a:hover {
  color: #ffc107;
}

footer .list-unstyled li a:focus {
  color: white;
}

footer h4 {
  color: #808080;
}

.list-unstyled li {
  line-height: 2;
}

.grey-logo {
  filter: contrast(0%);
}

footer p {
  color: #808080;
}

.barcode {
  width: 125px;
  height: auto;
}