@media only screen and (min-width: 1200px) and (max-width: 1500px) {
    .menu-item .submenu-item {
        padding: 0 12px;
    }
}
@media only screen and (min-width: 320px) and (max-width: 1200px) {
    .nested_menu {
        display: none;
    }
    .menu-item .submenu-item.active, .parent.active {
        background: none;
    }
}