@page {
    size: 210mm 297mm;
    margin: 3mm 0mm;
    padding: 2mm;
}
@media print {
    html, body {
        margin:0mm auto;
        padding:5mm;
        width: 100%;
        height: auto;
    }
    th, td {
        font-family: Helvetica, Arial, Verdana; 
        font-size: 12px;
    }
    th {
        font-weight: bold;
    }
    .table > thead > tr > th {
        padding: 4px;
    }
    .table > tbody > tr > td {
        padding:4px 2px;
    }
}