body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  transition: background-color 0.5s ease;
}

.container {
  text-align: center;
  background: rgba(255, 255, 255, 0.8);
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

button {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  background-color: #333;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  margin-top: 1rem;
}

button:hover {
  background-color: #555;
}

#color-code {
  font-weight: bold;
}