.brand {
  position: relative;
  display: block;
  width: 132px;
}

.brand img {
  filter: brightness(0) invert(1);
}

.brand::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("assets/logo-bktun.gif") left center / 132px auto no-repeat;
  clip-path: inset(0 80% 0 0);
  pointer-events: none;
}

@media (max-width: 800px) {
  .brand { width: 105px; }
  .brand::after { background-size: 105px auto; }
}

.footer-brand {
  width: 100px;
}

.footer-brand::after {
  background-size: 100px auto;
}