body {
  background-color: #f5efe6;
  color: #3b2a1f;
  font-family: Arial, sans-serif;
  margin: 10px;
}

h1 {
  text-align: center;
}

nav {
  text-align: center;
}

footer {
  text-align: center;
}

nav a {
  color: #6b3e26;
  text-decoration: none;
  margin: 0 8px;
}

figcaption {
  font-size: 0.9em;
  text-align: center;
}

figure {
  text-align: center;
}

figure img {
  display: block;
  margin: 0 auto;
}

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

iframe {
  display: block;
  margin: 20px auto;
}

main {
  max-width: 900px;
  margin: 0 auto;
}

img {
  max-width: 100%;
  height: auto;
}