@media (max-width:767px) {
footer nav {
    width:90%;
    float:left;
    margin:0 5%;
    padding:5% 0 0;
    border-top:1px solid #fff;
}
footer nav a {
    width:40%;
    margin:0 5%;
    text-align:center;
    font-size:3vw;
    line-height:2;
}
footer div.address {
    width:80%;
    margin:5%;
    padding:5% 5% 0;
    text-align:center;
    font-size:3vw;
    line-height:2;
}
}