html,body{margin:0;padding:0;font-family:Arial,sans-serif}.page{height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#7f5cff,#ff6ea6);color:#fff;text-align:center}.button{background:#000;color:#fff;padding:14px 24px;border-radius:999px;border:none;cursor:pointer;margin-top:16px}