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

header {
  background-color: #0a3d62;
  color: #fff;
  padding: 2rem;
  text-align: center;
}

main {
  padding: 2rem;
  max-width: 900px;
  margin: auto;
  background-color: #fff;
}

h2 {
  color: #0a3d62;
}

ul {
  list-style: disc;
  padding-left: 1.5rem;
}

a {
  color: #0a3d62;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

footer {
  background-color: #ddd;
  color: #555;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
}