body{margin:0;background:linear-gradient(#72c55a,#dff7c5);font-family:Arial;display:flex;justify-content:center;align-items:center;min-height:100vh;overflow:hidden}.card{background:#ffffffdd;padding:30px;border-radius:20px;text-align:center;box-shadow:0 10px 30px #0003}.hero{width:140px}.btn{display:inline-block;margin:8px;padding:12px 18px;background:#3f8d2f;color:#fff;text-decoration:none;border-radius:10px}.leaf{position:fixed;top:-30px;animation:fall linear forwards}@keyframes fall{to{transform:translateY(110vh) rotate(360deg)}}