body {
    font-family: Arial, sans-serif;
    text-align: center;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
}

.game-container {
    margin: 20px auto;
    max-width: 800px;
}

h1 {
    color: #333;
}

.main-image img {
    max-width: 100%;
    height: auto;
    border: 2px solid #333;
    margin: 20px 0;
}

.options {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.options img {
    width: 100px;
    height: auto;
    cursor: pointer;
    border: 2px solid transparent;
    transition: transform 0.2s, border 0.2s;
}

.options img:hover {
    transform: scale(1.1);
    border-color: #007bff;
}

.hidden {
    display: none;
}

#message {
    font-size: 24px;
    color: #28a745;
    margin-top: 20px;
}