body { margin: 0; min-height: 100vh; display: grid; place-items: center; background: #f4f5f7; color: #1d2330; font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { padding: 24px 16px; text-align: center; }
a { color: #1f5fbf; }