*{margin:0;padding:0;box-sizing:border-box}body,html{height:100%}body{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#0f172a;background:radial-gradient(1200px 600px at 50% -10%,#dbeafe,#f8fafc)}