body {
  font-family: Arial, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  background-color: #f5f5f5;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

button {
  background-color: #4CAF50;
  border: none;
  color: white;
  text-align: center;
  font-size: 16px;
  padding: 10px 20px;
  margin: 20px 0;
  cursor: pointer;
  z-index: 3;
}

button:hover {
  background-color: #45a049;
}

#wheelCanvas {
  position: relative;
  z-index: 1;
}

#fireworksCanvas {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
}