body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  color: #222;
  background-color: #f9f9f9;
}

header, footer {
  background-color: #003366;
  color: white;
  padding: 1em 2em;
  text-align: center;
}

header h1 {
  margin: 0.2em 0;
  font-size: 1.8em;
}

main {
  padding: 2em;
  max-width: 900px;
  margin: auto;
  background-color: white;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  border-radius: 8px;
}

h2 {
  color: #003366;
  margin-top: 1.5em;
}

a {
  color: #005bb5;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul {
  list-style: disc;
  margin-left: 1.5em;
}

footer a {
  color: #ffffff;
  text-decoration: underline;
}