@media print {
    @page {
        size: A4;
        margin: 12mm;
    }

    html, body {
        width: 210mm;
        height: 297mm;
        margin: 0;
        padding: 0;
        background: transparent;
    }

    body * {
        visibility: hidden;
    }
    .invoice-preview, .invoice-preview * {
        visibility: visible;
    }
    .invoice-preview {
        position: absolute;
        left: 0;
        top: 0;
        width: 186mm;
        min-height: 273mm;
        padding: 12mm;
        border: none;
        box-shadow: none;
        background: transparent;
    }
    #print-invoice, #download-pdf, #generate-invoice, #invoice-form, .totals, .page-title, .site-footer {
        display: none;
    }
}