body {
  font-family: 'MS Gothic', sans-serif;
  max-width: 600px;
  margin: 0 auto;
  padding: 20px;
  background: #f5f5f5;
  color: #333;
}
h1 {
  font-size: 24px;
  border-bottom: 1px solid #ccc;
}
img {
  max-width: 100%;
  height: auto;
  border: 1px solid #ddd;
}
nav {
  margin-top: 20px;
}
a {
  color: #0066cc;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}