:root --ink:#0f172a; --muted:#475569; --line:#e2e8f0; --brand:#0ea5e9; --bg:#ffffff; body margin:0; font-family: system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif; https://hordanso.ng/post/your-search-engine-optimisation-starter-guide