*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:system-ui,sans-serif;line-height:1.5;color:#1a1a1a;background:#fafafa}main{max-width:40rem;margin:0 auto;padding:4rem 1rem}@media(prefers-color-scheme:dark){body{color:#eee;background:#121212}}