body {
  font-family: Arial, sans-serif;
  text-align: center;
  background-color: #f4f4f9;
  margin: 0;
  padding: 0;
}

#game-container, #points-container {
  margin: 20px auto;
  padding: 20px;
  max-width: 400px;
  background: #ffffff;
  box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
}

h1 {
  margin-bottom: 20px;
}

#options button, button {
  display: block;
  margin: 10px auto;
  padding: 10px 20px;
  font-size: 16px;
  cursor: pointer;
}

#next-btn {
  margin-top: 20px;
  padding: 10px 20px;
  background: #007bff;
  color: #ffffff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

#next-btn:disabled {
  background: #ccc;
  cursor: not-allowed;
}

#sign-in-btn {
  margin-top: 20px;
  padding: 10px;
  background-color: #28a745;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

#sign-in-btn:disabled {
  background: #ccc;
  cursor: not-allowed;
}