:root { color-scheme: light; font: 16px/1.5 system-ui, sans-serif; }
body { margin: 0; background: #f4f6f8; color: #17212b; }
main { max-width: 44rem; margin: 12vh auto; padding: 2rem; background: #fff; border-radius: 1rem; }
a { color: #075e68; }