Change menu colors for Portfolio Press and Portfolio+

custom.css

/* Menu text color and background color */
#navigation ul a,
#navigation .menu-toggle {
    color: #333;
    background: #f9f9f9;
}

/* Toggle menu on mobile needs padding if container background is white */
#navigation ul a,
#navigation .menu-toggle {
    padding: 15px;
}

/* Toggle menu icon */
.menu-toggle:before {
    color: #333;
}

/* For desktop screens */
@media screen and (min-width: 780px) {

    /* Down arrow */
    .primary-navigation .menu-item-has-children > a:after,
    .primary-navigation .page_item_has_children > a:after {
        color: #aaa;
    }

    /* Top notch in sub menu */
    .primary-navigation ul ul:before {
        border-bottom: 8px solid #f9f9f9;
    }

    /* Border color of list item in submenu */
    .primary-navigation ul ul li {
        border-bottom: 1px solid #ddd;
    }
    
}