@media print {
  @page {                
    size: A4;
    margin: 5mm;
    margin-top:1mm;
  }

  html, body {
    width: 1024px;
  }

  body * {
    visibility: hidden;
  }
  #section-to-print, #section-to-print * {
    visibility: visible;
    display: block;
  }
  .coluna { width:31% !important; float:left !important; height:440px;margin-top: 2mm;margin-right:2mm;}

  #section-to-print {
    position: absolute;
    left: 0;
    top: 0;
  }
  .container {
    width:100% !important;
   
    margin: 1mm;
   }
  div {
        page-break-inside: avoid !important;
    }
}