:root{color-scheme:light dark}*{box-sizing:border-box}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#faf6ef,#f5ecd7)}.container{text-align:center;padding:2rem}h1{font-size:2.5rem;margin:0 0 .5rem}p{color:#555;margin:0 0 1.5rem}button{background:#f26b2c;color:#fff;border:0;padding:.75rem 1.25rem;border-radius:999px;font-weight:600;cursor:pointer}button:hover{opacity:.92}