html{color-scheme:light;box-sizing:border-box}*,*:before,*:after{box-sizing:inherit}
body{min-height:100vh;margin:0;display:grid;place-items:center;background:#fafafa;color:#222;
font:normal 16px/1.55 system-ui,-apple-system,"Segoe UI",sans-serif;padding:24px}
main{width:min(100%,550px);text-align:center}
h1{font-size:clamp(22px,4vw,30px);font-weight:550;line-height:1.3}
p{color:#555;margin:1.25em 0}
@media(prefers-color-scheme:dark){body{background:#17191c;color:#e6e6e6}p{color:#bbb}}