.snippet-promo-item {
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  position: relative;
  padding: 0.75rem;
  z-index: 10;
  color: var(--text-colour);
}
.snippet-promo-item:before {
  content: "";
  position: absolute;
  inset: 0;
  background-color: var(--overlay-colour);
  opacity: 0.4;
  z-index: -1;
}
.snippet-promo-item .c-btn.main {
  align-self: center;
}