----------------------------------------------
######### A4 Type Page & Border Margin #######
----------------------------------------------
@page {
  size: A4;
   margin: .9cm;
}

----------------------------------------------
######### Any Type Page & Border Margin #######
----------------------------------------------
  @page
  {
      size: auto; /* auto is the initial value */
      margin: 2mm 4mm 0mm 0mm; /* this affects the margin in the printer settings */
  }