.btn-outline-primary > .payment-image {
  background-color: #181818;
  padding: 8px;
  fill: white;
  border-radius: 6%;
}

.btn-outline-primary:focus > .payment-image,
.btn-outline-primary:hover > .payment-image,
.btn-outline-primary.active .payment-image {
  background-color: white;
  padding: 8px;
  content: url(../../front/img/paysera.svg);
  border-radius: 6%;
}