body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: linear-gradient(135deg, #dbeafe, #f0f9ff);
  transition: background-color 0.5s ease;
}

header {
  background-color: #2563eb;
  color: white;
  padding: 25px;
  text-align: center;
}

main {
  max-width: 800px;
  margin: 40px auto;
  background: white;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.buttons {
  margin: 20px 0;
}

button {
  background-color: #2563eb;
  color: white;
  border: none;
  padding: 12px 18px;
  margin: 8px;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  transition: transform 0.2s, background-color 0.3s;
}

button:hover {
  background-color: #1e40af;
  transform: scale(1.05);
}

footer {
  text-align: center;
  padding: 15px;
  color: #555;
}