body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

.container {
    width: 90%;
    max-width: 600px;
    margin: 0 auto;
    background: #fff;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1, h2 {
    color: #333;
}

.question {
    margin-bottom: 15px;
}

button {
    display: inline-block;
    margin: 5px 0;
    padding: 10px 15px;
    color: #fff;
    background-color: #007bff;
    border: none;
    cursor: pointer;
}

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

button[type="button"] {
    background-color: #28a745;
}

button[type="button"]:hover {
    background-color: #218838;
}

#result {
    margin-top: 20px;
}