* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px;
  color: #1a1a1a;
  line-height: 1.6;
  font-size: 16px;
}

h1 { font-size: 28px; margin: 0 0 8px; }
h2 { font-size: 20px; margin: 32px 0 12px; }
h3 { font-size: 16px; margin: 20px 0 8px; }

p, ul, ol { margin: 0 0 12px; }
ul, ol { padding-left: 24px; }
li { margin: 0 0 4px; }

a { color: #0366d6; text-decoration: none; }
a:hover { text-decoration: underline; }

.meta { color: #666; font-size: 14px; margin-bottom: 32px; }
.nav { margin-top: 48px; padding-top: 16px; border-top: 1px solid #eee; font-size: 14px; }
.nav a { margin-right: 16px; }

.lead { font-size: 18px; color: #444; }

.logo { display: block; width: 96px; height: 96px; margin: 0 0 16px; }