.site-header .round-mark {
  width: 50px;
  height: 50px;
  flex: 0 0 50px;
  display: block;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.site-header .round-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transform: scale(1.2);
}

.site-header .brand {
  gap: 7px;
}

@media (max-width: 850px) {
  .site-header .round-mark {
    width: 42px;
    height: 42px;
    flex-basis: 42px;
  }
}