body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;max-width:760px;margin:40px auto;padding:0 16px;line-height:1.55;color:#1f2430;background:#fff}
h1{font-size:1.6em;margin-bottom:.3em}h2{margin-top:1.6em;font-size:1.2em}
table{border-collapse:collapse;width:100%;font-size:.92em}td,th{border:1px solid #ddd;padding:6px 8px;text-align:left;vertical-align:top}
code{background:#f3f3f5;padding:1px 4px;border-radius:4px}.lead{font-size:1.05em}footer{margin-top:40px;color:#777;font-size:.85em}