body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f0f0f0;
}

nav {
  background-color: #003366;
  padding: 10px;
}

nav a {
  color: white;
  text-decoration: none;
  margin-right: 15px;
  font-size: 16px;
}

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

h1 {
  color: #003366;
}

h2 {
  color: #555;
  border-bottom: 1px solid #ccc;
  padding-bottom: 5px;
}

footer {
  background-color: #003366;
  color: white;
  text-align: center;
  padding: 10px;
  margin-top: 30px;
  font-size: 13px;
}