:root { color-scheme: light; }
body { margin: 0; font: 18px/1.6 Georgia, "Times New Roman", serif; color: #1f2a33; background: #f6f1e7; }
main { max-width: 640px; margin: 8vh auto; padding: 0 24px; }
h1 { font-size: 2.4rem; line-height: 1.15; margin: 0 0 .5rem; }
p.lead { font-size: 1.15rem; color: #4a5560; }
.card { background: #fff; border: 1px solid #e3dccc; border-radius: 8px; padding: 20px 24px; margin-top: 2rem; }
code { background: #efe9dc; padding: 2px 6px; border-radius: 4px; font-size: .95em; }
footer { margin-top: 3rem; font-size: .9rem; color: #7a8590; }