body{font:16px/1.6 system-ui,sans-serif;max-width:680px;margin:40px auto;padding:0 16px;color:#1d2b22;background:#fff}
h1{font-size:1.6em}a{color:#1f7a4d}
@media(prefers-color-scheme:dark){body{background:#0c120e;color:#cfe3d2}a{color:#6fcf97}}