body {
  font-family: system-ui, sans-serif;
  max-width: 700px;
  margin: 0 auto;
  padding: 2rem;
  line-height: 1.6;
  color: #333;
  background: #fafafa;
}

header {
  margin-bottom: 2rem;
}

header h1 a {
  text-decoration: none;
  color: #000;
}

footer {
  margin-top: 3rem;
  font-size: 0.9rem;
  color: #777;
  text-align: center;
}

img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}