:root{color-scheme:light;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box}body{margin:0;background:#fafafa;color:#111}main{max-width:960px;margin:0 auto;padding:2rem 1.25rem}a{color:#1d4ed8;text-decoration:none}a:hover{text-decoration:underline}ul{padding-left:1.25rem}