@media only screen and (max-width: 1920px) {
        body#body-login { background-image: url('https://w.wallhaven.cc/full/42/wallhaven-4231w6.jpg') !important;}
    }
    @media only screen and (min-width: 1921px) and (max-width: 2560px) {
        body#body-login { background-image: url('https://w.wallhaven.cc/full/l3/wallhaven-l39qr2.jpg') !important;}
    }
    @media only screen and (min-width: 2561px) {
        body#body-login { background-image: url('https://w.wallhaven.cc/full/l8/wallhaven-l8y2dq.jpg') !important;}
    }