body {
  background: rgb(204,204,204); 
}
page[size="A4"] {
  background: white;
  width: 21cm;
  //height: 29.7cm;
  display: block;
  margin: 0 auto;
  margin-bottom: 0 cm;
  box-shadow: 0 0 0 cm rgba(0,0,0,0);  
}


@font-face {
font-family: 'THSarabun';
src: url('THSarabun.ttf');
}
* {
font-family:  'THSarabun';
}
@media print {
  body, page[size="A4"] {
    margin: 0;
    box-shadow: 0;
  }
  .pagebreak {
    page-break-after: always;
  } 
  .print-landscape-a4 {
    @page {
      size: A4 landscape;
      margin: 0.5cm;
    }
}