a.custom-group-link {
  text-decoration: none;
}

a .is-style-group-button {
  text-decoration: none;
  margin: 0.5rem 0;
  padding: 1rem;
  color: var(--wp--preset--color--black);
}
.is-style-group-button h4 {
  margin: 0.5rem 0;
  font-weight: 600;
}
.is-style-group-button p {
  font-size: 0.9rem;
  margin: 0;
}
.is-style-group-button:hover {
  background-color: var(--wp--preset--color--muted-header-bg);
}

.is-style-group-button:hover h4 {
  color: var(--wp--preset--color--brand-primary);
  text-decoration: underline;
}