body {
  font-family: Arial, sans-serif;
  padding: 2rem;
  background: #f7f7f7;
  color: #333;
}
input, button {
  margin: 0.5rem 0;
  padding: 0.5rem;
  width: 100%;
  box-sizing: border-box;
}
button {
  background-color: #4CAF50;
  color: white;
  border: none;
  cursor: pointer;
}
button:hover {
  background-color: #45a049;
}