@media print {
    body {
        margin: 0 !important;
        padding: 0 !important;
        width: 80mm !important;
    }

    html {
        width: 80mm !important;
    }

    @page {
        size: 80mm auto;
        margin: 0;
    }

    .no-print {
        display: none !important;
    }
}