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

#container {
  max-width: 800px;
  margin: auto;
  padding: 20px;
}

header h1 {
  text-align: center;
  margin-bottom: 10px;
}

nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
  padding: 0;
}

nav ul li {
  margin: 0 15px;
}

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

nav ul li a:hover {
  text-decoration: underline;
}

main h2 {
  border-bottom: 1px solid #ccc;
  padding-bottom: 5px;
}

footer {
  text-align: center;
  margin-top: 30px;
  font-size: 0.9em;
  color: #777;
}
