body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Helvetica Neue", Arial, sans-serif;
  max-width: 720px;
  margin: 40px auto;
  padding: 0 20px;
  line-height: 1.8;
  color: #222;
  background: #fafaf8;
}

h1 {
  font-size: 1.6rem;
  margin-bottom: 8px;
}

h2 {
  font-size: 1.1rem;
  margin-top: 2rem;
  border-left: 3px solid #4CAF50;
  padding-left: 10px;
}

h3 {
  margin-top: 32px;
}

p, li {
  font-size: 0.95rem;
}

ul {
  padding-left: 1.4rem;
}

a {
  color: #4CAF50;
}

.updated {
  color: #888;
  font-size: 0.85rem;
  margin-bottom: 2rem;
}