@media (min-width: 992px) {
  #mainNav .navbar-nav > li.nav-item > a.nav-link.active:active, #mainNav .navbar-nav > li.nav-item > a.nav-link.active:focus, #mainNav .navbar-nav > li.nav-item > a.nav-link.active:hover {
    color: #64b03f;
    background: rgba(255,255,255,0);
  }
}