:root{--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;letter-spacing:.18px}@media (width<=1024px){:root{font-size:16px}}body{box-sizing:border-box;margin:0}