body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #ffffff;
  color: #1a1a1a;
  line-height: 1.7;
}

header {
  background: #0a2540;
  color: #ffffff;
  padding: 40px 20px;
  text-align: center;
}

main {
  max-width: 900px;
  margin: auto;
  padding: 40px 20px;
}

h1, h2 {
  color: #0a2540;
}

a {
  color: #0066cc;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

footer {
  background: #f4f4f4;
  text-align: center;
  padding: 20px;
  font-size: 14px;
}