body{max-width:46rem;margin:2rem auto;padding:0 1rem;font:16px/1.6 system-ui,sans-serif;color:#222}
h1,h2{border-bottom:1px solid #ddd}a{color:#0a58ca}@media(prefers-color-scheme:dark){body{background:#111;color:#ddd}a{color:#6ea8fe}h1,h2{border-color:#333}}