.nav-sections, .navigation {
    background: #1a3a52 !important;
    background-color: #1a3a52 !important;
}
@media only screen and (min-width: 768px) {
    .sections.nav-sections,
    .nav-sections-item-content {
        background: #1a3a52 !important;
    }
    .navigation .level0 > .level-top {
        color: #ffffff !important;
    }
}