body {
  font-family: Arial, sans-serif;
  background: #f0f2f5;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

main {
  background: white;
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  text-align: center;
}

h1 {
  color: #FF6F00;
}

button {
  background: #FF6F00;
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  margin-top: 1rem;
  border-radius: 0.5rem;
  cursor: pointer;
  font-size: 1rem;
}

button:hover {
  background: #e65e00;
}