:root { color-scheme: light; }
html, body { margin: 0; background: #f6f7fb; color: #1b1f24; font: 16px/1.5 system-ui, sans-serif; }
main { max-width: 40rem; margin: 12vh auto; padding: 0 1.25rem; }
h1 { font-size: 1.75rem; font-weight: 650; letter-spacing: -0.02em; }
.muted { color: #5c6570; }
ul { padding-left: 1.2rem; }