body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f2f2f7;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: calc(100vh - 40px);
}

#quizContainer {
    max-width: 600px;
    width: 100%;
    background-color: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
}

button {
    background-color: #007aff;
    color: #ffffff;
    border: none;
    border-radius: 20px;
    padding: 10px 30px;
    font-weight: 600;
    margin-top: 20px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #005ecb;
}

button:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}

#startListening:not(:disabled):hover,
#skipQuestion:not(:disabled):hover {
    box-shadow: 0 2px 3px rgba(0, 0, 0, 0.1);
}

#question {
    font-size: 20px;
    margin-bottom: 20px;
}

#feedback {
    margin-top: 20px;
    color: #333;
    font-size: 18px;
}
#speakButton {
    background-color: #007aff;
    color: #ffffff;
    border: none;
    border-radius: 20px;
    padding: 10px 30px;
    font-weight: 600;
    margin-top: 20px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}