body {
  font-family: 'Segoe UI', sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background-color: #fefefe;
  color: #222;
}

header {
  background: #004466;
  color: white;
  padding: 2rem;
  text-align: center;
}

main {
  padding: 2rem;
  max-width: 800px;
  margin: auto;
}

h1, h2 {
  color: #ffffff;
}

a {
  color: #006699;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

footer {
  text-align: center;
  padding: 1rem;
  background: #eee;
  margin-top: 3rem;
}