body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 15px;
  padding: 10px;
  background: #f0f0f0;
}

nav a {
  text-decoration: none;
  color: #333;
}

main {
  padding: 20px;
}