body {
  font-family: Arial, sans-serif;
  text-align: center;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, #f8f8f9 0%, #f8f8f9 100%);
  color: white;
}

h2 {
  margin-bottom: 30px;
  font-size: 2.5em;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

#qrcode {
  background: white;
  padding: 20px;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  margin: 20px auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

#qrcode img {
  border-radius: 10px;
}