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

header {
  background-color: #0a2540;
  color: white;
  padding: 40px 20px;
  text-align: center;
}

nav {
  background-color: #f4f4f4;
  padding: 15px;
  text-align: center;
}

nav a {
  margin: 0 15px;
  text-decoration: none;
  color: #333;
  font-weight: bold;
}

nav a:hover {
  color: #0a2540;
}

section {
  max-width: 900px;
  margin: auto;
  padding: 40px 20px;
}

section h2 {
  margin-top: 0;
}

footer {
  background-color: #222;
  color: white;
  text-align: center;
  padding: 15px;
  margin-top: 40px;
}