body {
  background-color: #f0f8f5;
  color: #333;
  font-family: Arial, Helvetica, sans-serif;
  margin: 10px;
  line-height: 1.6;
}

h1, nav, footer {
  text-align: center;
}

h1 {
  color: #2a7a59;
}

h2 {
  color: #4a9c76;
}

nav a {
  text-decoration: none;
  color: #2a7a59;
  margin: 0 10px;
}

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

figure {
  text-align: center;
  margin-top: 20px;
}

figcaption {
  font-style: italic;
  color: #555;
}

footer {
  margin-top: 30px;
  font-size: 0.9em;
  color: #555;
}