body {
    background-color: #f0f0f0;
    color: #000;
    font-family: 'Times New Roman', Times, serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

.quiz-container {
    background-color: #fff;
    padding: 60px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    width: 90%;
    max-width: 650px;
    text-align: center;
}

h2 {
    font-size: 2.2em;
    margin-bottom: 30px;
    font-family: Georgia, serif;
}

#error-message {
    font-size: 2em;
    font-weight: bold;
    color: #555;
    transform: rotate(-5deg);
    margin-bottom: 20px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

.btn-grid {
    display: grid;
    gap: 15px;
    margin-top: 30px;
}

.btn, button {
    background-color: #e0e0e0;
    border: none;
    border-radius: 5px;
    padding: 18px;
    font-size: 1.5em;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s, box-shadow 0.2s;
    font-family: Georgia, serif;
}

.btn:hover, button:hover {
    background-color: #d0d0d0;
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
}

.btn.correct {
    background-color: #a8d582;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.btn.wrong {
    background-color: #e57373;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

#image-container img {
    max-width: 100%;
    height: auto;
    margin-bottom: 20px;
}

#restart-from-gameover-button,
#restart-from-end-button,
#continue-button,
#give-up-button,
#credits-button {
    font-size: 1.5em;
    padding: 15px 30px;
    margin-top: 20px;
    background-color: #e0e0e0;
}