.deskFooterContent {   
    width: 100%;
}

.phoneFooterContent {   
    width: 100%;
}

@media all and (min-width: 480px) {
    .deskFooterContent {display:block;}
    .phoneFooterContent {display:none;}
}

@media all and (max-width: 479px) {
    .deskFooterContent {display:none;}
    .phoneFooterContent {display:block;}
}