body {
  max-width: 38rem;
  margin: 2rem auto;
  padding: 0 1rem;
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #222;
  background: #fdfdfc;
}
header { border-bottom: 1px solid #ddd; margin-bottom: 1.5rem; padding-bottom: 0.5rem; }
h1 { font-size: 1.3rem; margin: 0 0 0.3rem; }
nav { font-size: 0.9rem; color: #666; }
nav a { color: #444; text-decoration: none; }
nav a:hover { text-decoration: underline; }
.post-list { list-style: none; padding: 0; }
.post-list li { margin-bottom: 0.4rem; }
.date { color: #999; font-size: 0.85rem; }
footer { margin-top: 3rem; border-top: 1px solid #eee; padding-top: 0.8rem; color: #999; font-size: 0.8rem; }
a { color: #2b5c8a; }