body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background: #f9f9f9;
  color: #333;
}

header {
  background: #222;
  color: #fff;
  padding: 1rem;
  text-align: center;
}

header h1 a {
  color: #fff;
  text-decoration: none;
}

nav {
  margin-top: 10px;
}

nav a {
  margin: 0 10px;
  color: #ccc;
  text-decoration: none;
}

nav a:hover {
  color: #fff;
}

main {
  max-width: 800px;
  margin: 20px auto;
  padding: 0 15px;
}

main h2 {
  color: #222;
}

footer {
  text-align: center;
  padding: 15px;
  background: #222;
  color: #fff;
  margin-top: 30px;
}