body {
    font-family: Arial, sans-serif;
    background-color: #f8f9fa;
}

.container {
    max-width: 600px;
    margin: auto;
    background: white;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    margin-top: 30px;
}

h2 {
    text-align: center;
    color: #007bff;
}

button {
    width: 100%;
    background-color: #007bff;
    color: white;
    padding: 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}