.brand-mark {
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: 50%;
  background: transparent;
  object-fit: contain;
  flex: 0 0 auto;
}

@media (max-width: 560px) {
  .brand-mark {
    width: 40px;
    height: 40px;
  }
}