.simple-quiz-container {
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 20px;
    max-width: 500px;
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    font-family: sans-serif;
}

.simple-quiz-question {
    font-weight: bold;
    font-size: 1.2em;
    margin-bottom: 15px;
    color: #333;
}

.simple-quiz-btn {
    display: block;
    width: 100%;
    padding: 12px;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background: #f9f9f9;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.simple-quiz-btn:hover {
    background: #f0f0f0;
    border-color: #ccc;
}

.simple-quiz-btn.correct {
    background-color: #d4edda !important;
    border-color: #c3e6cb !important;
    color: #155724;
}

.simple-quiz-btn.incorrect {
    background-color: #f8d7da !important;
    border-color: #f5c6cb !important;
    color: #721c24;
}

.simple-quiz-explanation {
    margin-top: 15px;
    padding: 15px;
    background: #e7f3ff;
    border-left: 4px solid #0073aa;
    border-radius: 4px;
}