body {
    background-image: url('/static/img/customers/back-total-layout.png');
}


@media (max-width: 1023px) {
    body {
        background-image: url('/static/img/customers/medium-back-total-layout.png');
    }
}

@media (max-width: 450px) {
    body {
        background-image: url('/static/img/customers/small-back-total-layout.png');
    }
}