#nav ul.level1 li {
    font-size: 1.6rem !important;
    height: 38px;
}

footer {
    height: 140px;
}

@media only screen and (min-width: 0px) and (max-width: 767px) {

    div#nav {
        background-color: rgba(255, 255, 255, 1);
    }

    #nav ul.level1 li {
       font-size: 2.6rem !important;
       height: 80px;
    }

    footer {
        height: 180px;
    }

}

@media only screen and (min-width: 0px) and (max-width: 579px) {

    footer {
        height: 280px;
    }

}