body {
    background-image: url('../img/FONDOS/FONDO.jpg');
    background-repeat: repeat;
    background-size: cover;
    background-position: center;
}

.div-footer {
    margin: auto;
    width: 100vw;
    max-width: 100%;
    min-width: 320px;
    height: auto;
}

.img-footer {
    width: 100%;
}