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

header {
  background: #004aad;
  color: white;
  padding: 1rem;
  text-align: center;
}

header nav a {
  color: #fff;
  margin: 0 1rem;
  text-decoration: none;
  font-weight: bold;
}

main {
  padding: 1rem;
}

section {
  margin-bottom: 1.5rem;
}

ul {
  list-style: none;
  padding: 0;
}

li a {
  text-decoration: none;
  color: #004aad;
  font-size: 1.1rem;
}