@media print {

    @page {
      size: A4;
      margin: 0;
      padding: 0;
      } 

    html, body {
      height: 297mm;
      width: 210mm;
      }
  
    article {
      border: none;
      height: 247mm;
      margin: 10mm 20mm 0 20mm;
      overflow: hidden;
      padding: 0;
      }

    .nav {display: none;}
    }