body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background-color: #fafafa;
  color: #333;
}

header {
  background: #101c02;
  color: white;
  padding: 1rem;
  text-align: center;
}

nav a {
  color: white;
  margin: 0 1em;
  text-decoration: none;
  font-weight: bold;
}

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

main {
  padding: 2rem;
  max-width: 900px;
  margin: auto;
}

h2 {
  color: #101c02;
}

footer {
  text-align: center;
  padding: 1rem;
  background: #eee;
  margin-top: 2rem;
}