body {
  font-family: system-ui, sans-serif;
  margin: 0;
  padding: 2rem;
  background: #f6f6f4;
  color: #1d1d1b;
}

main {
  max-width: 40rem;
  margin: 0 auto;
}

#messages {
  list-style: none;
  padding: 0;
}

#messages li {
  background: #fff;
  border: 1px solid #ddd;
  padding: 0.75rem 1rem;
  margin-bottom: 0.75rem;
}

#messages p {
  margin: 0.25rem 0 0;
}

.meta {
  font-size: 0.85rem;
  color: #666;
}