.cart__po-number {
  --color-background: 250,250,250;

  padding: 1.5rem;
  border-radius: var(--text-boxes-radius);
  background-color: rgb(var(--color-background));
  border: 2px solid rgba(var(--color-button), var(--alpha-button-background));
}

.cart__po-number_description {
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
  font-weight: bold;
}