.opg-quiz-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.question-container {
    margin-bottom: 20px;
}

.answer-button {
    display: block;
    width: 100%;
    margin: 5px 0;
    padding: 10px;
    border: none;
    background-color: #0073aa;
    color: white;
    border-radius: 5px;
    cursor: pointer;
    text-align: center;
}

.answer-button:hover {
    background-color: #005a87;
}

.feedback-message {
    margin-top: 10px;
    font-weight: bold;
}

.feedback-message.correct {
    color: green;
}

.feedback-message.incorrect {
    color: red;
}


.ending-message {
  text-align: center;
  font-size: 32px;
  color: green;
}