@media (min-width: 992px) {
  header.masthead {
    padding-top: calc(10rem + 55px);
    padding-bottom: 9rem;
  }
}

.navbar-custom {
  background-color: rgba(0,0,0,1) !important;
}

.py-4 {
  padding-top: 6rem !important;
  padding-bottom: 1.5rem !important;
}