body { 
  font-family: sans-serif;
  max-width: 800px;
  margin: 40px auto;
  padding: 0 20px;
}

.post-card { 
  border-bottom: 1px solid #eee;
  padding: 20px 0;
}

.post-date { 
  color: #666;
  font-size: 0.9rem;
}