@page {
  size: portrait;
  margin: 0;
}
#printDivContent {
    border: 2px solid black; 
    border-radius: 10px; 
    width: 85%; 
    height: 85%; 
    padding: 15px;
    margin: 15px;
    /*position: absolute;
    margin: 0 auto;
    text-align: center;   
    top: 5%;
    left: 5%;*/
    position: fixed;
  top: 50%;
  left: 50%;
  /* bring your own prefixes */
  transform: translate(-50%, -50%);
}

#dvPortrait {
    width: 100%;
    /*display: table;*/
    margin: 0 auto;
}
/*@page {
            /*size: A4;*/
            /*margin: 0;*/ /*IMPORTANT*/ /* REMOVE PAGE HEADER - TITLE/ FOOTER - PAGE NUMBER [Change- 1]*/
            /*size: auto; /* REMOVE PAGE HEADER - TITLE/ FOOTER - PAGE NUMBER [Change- 2]*/
       /* }*/