.bg {
    background-image: url("../img/fondo.jpg");
    height: initial;
    width: initial;
    background-repeat: no-repeat;
    background-size: cover;

}


@media (min-width: 1281px) {
}

@media (min-width: 1025px) and (max-width: 1280px) {
    .bg {
        background-image: url("../img/Fondo1025-1280.jpg");
        height: initial;
        width: initial;
        background-repeat: no-repeat;
        background-size: cover
    }
}

@media (min-width: 768px) and (max-width: 1024px) {
    .bg {
        background-image: url("../img/Fondo768-1024.jpg");
        height: initial;
        width: initial;
        background-repeat: no-repeat;
        background-size: cover
    }
}

@media (min-width: 768px) and (max-width: 1024px) and (orientation: landscape) {
    .bg {
        background-image: url("../img/Fondo768-1024LC.jpg");
        height: initial;
        width: initial;
        background-repeat: no-repeat;
        background-size: cover
    }
}

@media (min-width: 481px) and (max-width: 767px) {
    .bg {
        background-image: url("../img/Fondo481-767.jpg");
        height: initial;
        width: initial;
        background-repeat: no-repeat;
        background-size: cover
    }
}

@media (min-width: 320px) and (max-width: 480px) {

    .bg {
        background-image: url("../img/Fondo320-480.jpg");
        height: initial;
        width: initial;
        background-repeat: no-repeat;
        background-size: cover
    }
}