body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f6f6f6;
  color: #222;
  line-height: 1.6;
}

header {
  background: #2f4f4f;
  color: white;
  padding: 20px;
  text-align: center;
}

nav a {
  color: #ffd700;
  margin: 0 10px;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover {
  text-decoration: underline;
}

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

h1, h2 {
  color: #2f4f4f;
}

footer {
  background: #2f4f4f;
  color: white;
  text-align: center;
  padding: 15px;
  margin-top: 30px;
}

ul {
  padding-left: 20px;
}