body {
    position: relative;
    height: 100vh;
    margin: 0;
}

    body::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-image: url('/App_Custom/Enterprise/img/Background/sfondo_cina.jpg');
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        opacity: 0.25; /* Modifica questo valore per regolare l'opacità */
        z-index: -1;
    }

/* Responsive adjustments */
@media (max-width: 1200px) {
    body::before {
        background-size: contain;
    }
}

@media (max-width: 768px) {
    body::before {
        background-position: top;
    }
}

@media (max-width: 480px) {
    body::before {
        background-size: cover;
        background-position: center;
    }
}