@media print {
    @page {
        /* size: 12cm 7cm; */
        size: auto;
        /* size:potrait; */
        margin:0;

    }
 
    body{
        width: 10.3cm;
        height: 7cm;
        margin-left:1.5cm;
        display: absolute;
        font-size: 10px;
        top:0;
        left:0;
        margin:0;
        /* change the margins as you want them to be. */
   } 
  
  }

@print {
    @page :footer {
        display: none
    }
  
    @page :header {
        display: none
    }
}