body {
  font-family: Arial, sans-serif;
  background: #f9f9f9;
  color: #333;
  margin: 0;
  padding: 0;
}

header {
  background: #005792;
  color: white;
  padding: 20px;
  text-align: center;
}

main {
  padding: 20px;
  max-width: 800px;
  margin: auto;
}

section {
  margin-bottom: 20px;
}

footer {
  background: #eee;
  text-align: center;
  padding: 10px;
  margin-top: 40px;
}