body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  text-align: center;
  background: linear-gradient(to right, #4facfe, #00f2fe);
  color: #333;
}

header {
  padding: 2rem;
  background: rgba(255, 255, 255, 0.8);
}

button {
  padding: 10px 20px;
  margin-top: 20px;
  font-size: 16px;
  cursor: pointer;
  border: none;
  border-radius: 5px;
  background: #333;
  color: white;
}

button:hover {
  background: #555;
}

footer {
  margin-top: 40px;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.8);
}