body {
  font-family: Arial, sans-serif;
  text-align: center;
  background: #f5f5f5;
  margin: 20px;
}

h2 {
  margin-bottom: 10px;
}

button {
  padding: 10px 20px;
  margin: 5px;
  cursor: pointer;
  font-size: 16px;
}

#buyShieldCoinsBtn {
  background-color: #FFD700;
  color: #333;
  font-weight: bold;
}

#buyShieldGemsBtn {
  background-color: #FF69B4;
  color: white;
  font-weight: bold;
}

#wallet {
  margin-top: 10px;
  font-weight: bold;
}

#stats {
  margin: 15px;
  font-size: 18px;
}

canvas {
  border: 2px solid black;
  background: white;
}

#status {
  margin-top: 10px;
  font-size: 18px;
  font-weight: bold;
}