@media print {
    @page {
        size: A4 landscape !important;
        margin: none !important;
    }

    body {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
        background-size: 40% !important;
        background-position: center !important;

    }

    nav, a {
        display: none !important;
    }

    main {
        width: 100%;
        padding: 10mm;
    }
}