body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  background: linear-gradient(to top, #87CEEB, #fff);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.game-container {
  text-align: center;
  width: 100%;
  max-width: 600px;
}

canvas {
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  background: rgba(255, 255, 255, 0.3);
  display: block;
  margin: 20px auto;
}

button {
  padding: 10px 20px;
  font-size: 16px;
  margin-top: 10px;
  cursor: pointer;
  border-radius: 10px;
  background: #fff;
  border: 2px solid #87CEEB;
  transition: 0.3s;
}

button:hover {
  background: #87CEEB;
  color: #fff;
}