body { font: 15px/1.5 system-ui, sans-serif; max-width: 760px; margin: 24px auto; padding: 0 16px; color: #1d2410; background: #f9fafc; }
pre { background: #fff; border: 1px solid #d6dbc4; padding: 12px; overflow-x: auto; font-size: 12px; white-space: pre-wrap; word-break: break-all; }
.banner { border: 1px solid #687e0a; padding: 12px; background: #f1f5df; }
button { font: inherit; padding: 6px 12px; }