body {
  font-family: Arial, sans-serif;
  text-align: center;
  background-color: #fde9d9;
}
nav {
  background-color: #222;
  padding: 10px;
}
nav a {
  color: white;
  margin: 0 10px;
  text-decoration: none;
}
main {
  margin-top: 50px;
}
button {
  background-color: #333;
  color: white;
  padding: 10px 20px;
  border: none;
  cursor: pointer;
}