@media (min-width:992px) {
  .navbar-expand-lg .navbar-toggler {
    display: none;
  }
}

@media (min-width: 992px) {
  .navbar-expand-lg .navbar-toggler {
    display: none;
  }
}

@media (max-width: 900px) {
  #carousel-1 {
    /*display: none;*/
  }
}