.showQRCode {
	display: flex;
	justify-content: center;
	align-items: center;
	border-radius: 10px;
	margin-top:20px;
}
body {
    background-color: #F5F5F5;
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
}

.topnav {
  overflow: hidden;
  background-color: #333;
}

.topnav a {
  float: left;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
}

.topnav a:hover {
  background-color: #ddd;
  color: black;
}

.topnav a.active {
  background-color: #04AA6D;
  color: white;
}
#myBtn {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 30px;
  z-index: 99;
  font-size: 20px;
  border: none;
  outline: none;
  background-color: #009325;
  color: white;
  cursor: pointer;
  padding: 10px;
  border-radius: 4px;
}
#myBtn:hover {
  background-color: #555;
}
@media print {
   .noprint {
      visibility: hidden;
   }
}