:root {
  color-scheme: light;
  --bg: #f7faf9;
  --paper: #ffffff;
  --text: #1f2a2e;
  --muted: #66757b;
  --line: #d9e4e1;
  --accent: #2f7f75;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
}

main {
  max-width: 860px;
  margin: 0 auto;
  padding: 48px 20px 72px;
}

article,
.paper {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 32px;
}

h1 {
  margin: 0 0 8px;
  font-size: 30px;
  line-height: 1.25;
}

h2 {
  margin: 32px 0 12px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 20px;
  line-height: 1.35;
}

h3 {
  margin: 24px 0 8px;
  font-size: 17px;
}

p {
  margin: 0 0 14px;
}

ul {
  margin: 0 0 18px;
  padding-left: 24px;
}

li {
  margin: 6px 0;
}

a {
  color: var(--accent);
  font-weight: 700;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 20px;
}

th,
td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
}

th {
  background: #eef6f4;
}

.updated,
.muted {
  color: var(--muted);
}