.cart__checkout-button,
.cart__ctas .button {
  background-color: #000000 !important;
  color: #ffffff !important;
  border: 1px solid #000000 !important;
}

.cart__checkout-button:hover,
.cart__ctas .button:hover {
  background-color: #333333 !important;
  color: #ffffff !important;
}