body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    padding: 20px;
}

#question-box {
    background: #fff;
    border-radius: 10px;
    padding: 20px;
    max-width: 800px;
    margin: auto;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.option-button {
    display: block;
    width: 100%;
    margin: 8px 0;
    padding: 10px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

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

.hidden {
    display: none;
}