:root{color-scheme:light}html,body{height:100%}body{margin:0;font:16px/1.5 -apple-system,BlinkMacSystemFont,Segoe\ UI,Roboto,Arial;color:#111;background:#fff}a{color:#0d6efd;text-decoration:none}a:hover{text-decoration:underline}main{padding:24px;max-width:1100px;margin:0 auto}