style.css

* {
    -webkit-print-color-adjust: exact !important;   
    color-adjust: exact !important;                 
}

body {
    margin-right: 10%;
    margin-left: 10%;
}
page {
    background: white;
    display: block;
    margin: 0 auto;
    margin-bottom: 0.5cm;
    box-shadow: 0 0 0.5cm rgba(0,0,0,0.5);
}
page[size="A4"] {  
    width: 21cm;
    height: 29.7cm; 
}
page[size="A4"][layout="landscape"] {
    width: 29.7cm;
    height: 21cm;  
}
  page[size="A3"] {
    width: 29.7cm;
    height: 42cm;
}
page[size="A3"][layout="landscape"] {
    width: 42cm;
    height: 29.7cm;  
}
page[size="A5"] {
    width: 14.8cm;
    height: 21cm;
}
page[size="A5"][layout="landscape"] {
    width: 21cm;
    height: 14.8cm;
}
@media print {
    body, page {
      margin: 0;
      box-shadow: 0;
      
    }
    .no-print, .no-print *
    {
        display: none !important;
    } 
}