body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background: #f4f4f4;
  color: #333;
}

header {
  background: #004080;
  color: white;
  padding: 20px;
  text-align: center;
}

nav {
  background: #ddd;
  padding: 10px;
  text-align: center;
}

nav a {
  margin: 0 10px;
  text-decoration: none;
  color: #004080;
  font-weight: bold;
}

main {
  padding: 20px;
}

section {
  margin-bottom: 30px;
  background: white;
  padding: 15px;
  border-radius: 8px;
}

footer {
  background: #004080;
  color: white;
  text-align: center;
  padding: 10px;
}