:root { --ink: #151412; --muted: #5E5A53; --rule: #DDD6C8; --paper: #FBF9F4; --accent: #0D6B4F; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink);
       font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 48px 20px 80px; }
header { display: flex; justify-content: space-between; align-items: baseline; border-bottom: 1px solid var(--ink);
         padding-bottom: 12px; margin-bottom: 32px; }
header a.brand { font-weight: 700; font-size: 20px; color: var(--ink); text-decoration: none; }
nav a { color: var(--muted); margin-left: 16px; font-size: 15px; }
h1 { font-size: 32px; line-height: 1.2; margin: 0 0 4px; }
.meta { color: var(--muted); font-size: 15px; margin-bottom: 28px; }
h2 { font-size: 20px; margin: 36px 0 8px; }
a { color: var(--accent); }
.short { border-left: 3px solid var(--accent); padding: 4px 0 4px 16px; }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; vertical-align: top; border-bottom: 1px solid var(--rule); padding: 10px 8px 10px 0; }
th { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
footer { margin-top: 56px; border-top: 1px solid var(--rule); padding-top: 16px; color: var(--muted); font-size: 14px; }
@media (max-width: 560px) { table, thead, tbody, tr, th, td { display: block; } thead { display: none; }
  td { border: 0; padding: 2px 0; } tr { border-bottom: 1px solid var(--rule); padding: 10px 0; } }