body{background-color:#f0f8ff;margin:0;padding:0}.container{display:flex;flex-direction:column;justify-content:center;align-items:center;background-color:#fff;border-radius:10px;box-shadow:0 4px 8px #0000001a;padding:20px}button{background-color:#007bff;color:#fff;border:none;padding:10px 20px;font-size:16px;cursor:pointer;border-radius:5px}button:hover{background-color:#0056b3}