body {
  font-family: Arial, sans-serif;
  margin: 30px;
  background: #f8f9fa;
  color: #333;
}
h1 {
  color: #0057b8;
}
nav a {
  margin-right: 15px;
  text-decoration: none;
  color: #0077cc;
}
nav a:hover {
  text-decoration: underline;
}