:root { color-scheme: light; }
body { margin: 0; background: #f6f4ef; color: #1f2a33; font: 18px/1.6 Georgia, "Times New Roman", serif; }
.shell { max-width: 640px; margin: 0 auto; padding: 48px 16px 64px; }
h1 { font-size: 28px; margin: 0 0 24px; letter-spacing: .01em; }
p { margin: 0 0 18px; }
.addr { margin-top: 40px; font-size: 15px; color: #4b5761; }