body {
  font-family: Arial, sans-serif;
  margin: 0;
  line-height: 1.6;
  color: #222;
  background: #fafafa;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
}

header {
  background: #1f3b4d;
  color: white;
  padding: 40px 0;
}

header h1 {
  margin: 0;
}

footer {
  margin-top: 40px;
  padding: 20px 0;
  background: #eee;
  font-size: 0.9em;
}