html { color: #111; background: #fff; font-family: Arial, Helvetica, sans-serif; }
body { max-width: 720px; margin: 0 auto; padding: 32px 20px 64px; line-height: 1.5; }
header { border-bottom: 1px solid #111; margin-bottom: 28px; }
h1 { font-size: 28px; line-height: 1.15; margin: 0 0 20px; }
h2 { font-size: 18px; margin-top: 30px; }
a { color: #111; text-decoration-thickness: 1px; }
nav { display: flex; gap: 18px; flex-wrap: wrap; margin: 16px 0; }
.fine { color: #444; font-size: 14px; }