:root{--paper:#EDEBDF;--ink:#111110;--acid:#D4F500;--muted:#7A776E;--ghost:#E1DFD3}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);
  font:16px/1.6 ui-sans-serif,system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif}
main{max-width:46rem;margin:0 auto;padding:3rem 1.25rem 6rem}
.mark{display:inline-block;background:var(--ink);color:var(--acid);padding:.35rem .6rem;
  font:700 .75rem/1 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.18em}
h1{font-size:2.2rem;line-height:1.1;letter-spacing:-.02em;margin:1.5rem 0 .25rem}
h2{font-size:1.15rem;margin:2.5rem 0 .5rem;letter-spacing:-.01em}
.sub{color:var(--muted);margin:0 0 2rem}
table{width:100%;border-collapse:collapse;margin:1rem 0}
th,td{text-align:left;padding:.6rem .5rem;border-bottom:2px solid var(--ghost);vertical-align:top}
th{font:700 .72rem/1 ui-monospace,Menlo,monospace;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
ul{padding-left:1.1rem}li{margin:.35rem 0}
a{color:var(--ink)}
footer{margin-top:4rem;padding-top:1.25rem;border-top:2px solid var(--ghost);color:var(--muted);font-size:.85rem}
@media(prefers-color-scheme:dark){:root{--paper:#111110;--ink:#EDEBDF;--ghost:#2A2A26;--muted:#9A968A}}