.how-to-purchase {
  background: linear-gradient(
    to bottom,
    rgba(27, 27, 27, 0) 0%,
    rgba(27, 27, 27, 0.7) 40%,
    rgba(27, 27, 27, 1) 100%
  );
}
.how-to-purchase .cta {
  display: flex;
  justify-content: center;
}