Nitric Boost Ultra — Sale, Buy & Smart Guide | Best Offers :root --accent:#d32f2f; --muted:#6b7280; --bg:#fbfdff; --card:#ffffff; --max:1100px; --radius:12px; font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial; html,bodyheight:100%;margin:0;background:var(--bg);color: