.sm {
  font-size: 16px;
  line-height: 28px;
  font-weight: 400;
}
.md {
  font-size: 16px;
  line-height: 30px;
  font-weight: 700;
}
.lg {
  font-size: 20px;
  line-height: 30px;
  font-weight: 700;
}
.xl {
  font-size: 24px;
  line-height: 36px;
  font-weight: 700;
}
.xxl {
  font-size: 32px;
  line-height: 48px;
  font-weight: 700;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #000;
  background: #fff;
}
h1 {
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 6px;
}
h2 {
  font-size: 20px;
  font-weight: 700;
  margin: 32px 0 8px;
}
h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 24px 0 6px;
}
h4 {
  font-size: 15px;
  font-weight: 700;
  margin: 18px 0 4px;
}
p {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 28px;
  font-weight: 400;
}
ul {
  margin: 8px 0 12px 24px;
  padding: 0;
}
li {
  margin-block: 12px;
}
a {
  color: #000;
}
.updated {
  color: #666;
  font-size: 14px;
  margin-bottom: 24px;
}
.container {
  max-width: 1024px;
  margin: 0 auto;
}
.container header {
  padding: 24px 0;
}
footer {
  padding: 16px 0;
}
.line {
  border: none;
  border-top: 1px solid #eee;
}
.link {
  color: #133dc7;
}