.main-menu {
    background: #00abd7;
    color: #f7f7f7;
}

.main-sub-menu {
    background: #0099c3;
}

.sub-menu__link a {
    text-shadow: 0px 0px 3px #0f0f0f;
}

@media (min-width: 769px) {
    .main-menu {
        background: transparent;
    }

    .main-sub-menu {
        background: #00abd7;
    }
}