a[aria-label="FinCheckSmart Startseite"] > span:first-child {
  background: transparent url("https://finchecksmart.com/favicon.png") center / cover no-repeat !important;
  color: transparent !important;
  box-shadow: none !important;
}

a[aria-label="FinCheckSmart Startseite"] > span:first-child svg {
  display: none !important;
}