@media (max-width: 575px) {
    .navbar > [class*='container'] .navbar-nav > .nav-item {
        padding-bottom: 0;
    }
    .navbar-toggleable-xs .navbar-nav .dropdown-menu {
        box-shadow: none;
    }
    .navbar > [class*='container'] .navbar-nav > .nav-item.active {
        background-color: transparent;
    }
    .navbar > [class*='container'] .navbar-nav > .nav-item.active > .dropdown-toggle {
        background-color: #f99;
    }
    .navbar > [class*='container'] .navbar-nav > .nav-item.active > .dropdown-toggle {
        margin-right: -15px;
        margin-left: -15px;
    }
}