:root { color-scheme: dark; }
* { box-sizing: border-box; }
body {
  margin: 0;
  background: #000;
  color: #c9c9c9;
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
main { max-width: 640px; margin: 0 auto; padding: 64px 16px 80px; }
.brand { color: #fff; font-size: 32px; font-weight: 800; letter-spacing: 8px; text-decoration: none; }
.tag { color: #6b6b6b; font-size: 14px; margin: 4px 0 48px; }
nav { margin: -32px 0 48px; font-size: 14px; }
nav a { color: #7a7a7a; margin-right: 20px; }
nav a[aria-current] { color: #fff; }
h1 { color: #fff; font-size: 22px; font-weight: 600; margin: 0 0 8px; }
h2 { color: #fff; font-size: 17px; font-weight: 600; margin: 40px 0 8px; }
.updated { color: #6b6b6b; font-size: 14px; margin: 0 0 32px; }
a { color: #d0d0d0; }
.lead { font-size: 18px; color: #e0e0e0; }
.mail { display: inline-block; margin: 8px 0 0; padding: 14px 20px; border: 1px solid #333; border-radius: 3px; color: #fff; text-decoration: none; }
.note { color: #8a8a8a; font-size: 14px; border-left: 2px solid #3a1414; padding-left: 14px; }
hr { border: 0; border-top: 1px solid #1c1c1c; margin: 56px 0 24px; }
.tr { color: #9a9a9a; }
footer { color: #4a4a4a; font-size: 13px; margin-top: 64px; }