:root{color:#1f2937;background:#f8fafc;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}main{width:min(100% - 2rem,48rem);margin:0 auto;padding:3rem 0}h1,p{margin-block:0 .75rem}