body {
  margin: 0;
  font-family: system-ui, sans-serif;
  line-height: 1.6;
  background: #fafafa;
  color: #222;
}
.site-header, .site-footer {
  background: #222;
  color: #fff;
  padding: 1rem;
}
.site-header .brand {
  font-size: 1.25rem;
  font-weight: bold;
  color: #fff;
  text-decoration: none;
}
.site-nav a {
  margin-left: 1rem;
  color: #ddd;
  text-decoration: none;
}
.site-nav a:hover {
  color: #fff;
}
.page {
  padding: 2rem;
}