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

#image-display {
    margin: 20px auto;
    max-width: 800px;
    max-height: 550px;
    display: flex;
    justify-content: center;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    overflow: hidden;
}

#thumbnail-container {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 20px;
}

#prev-button, #next-button {
    cursor: pointer;
    background-color: #007bff;
    color: #fff;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

#prev-button:hover, #next-button:hover {
    background-color: #0056b3;
}

#thumbnails {
    display: flex;
    overflow-x: auto;
    margin: 0 20px;
}

.thumbnail {
    width: 100px;
    height: auto;
    cursor: pointer;
    margin: 0 5px;
    border: 2px solid transparent;
    transition: border-color 0.3s ease;
}

.thumbnail:hover {
    border-color: #007bff;
}

.image-table {
    border-collapse: collapse;
    border-spacing: 0;
}

.image-table td {
    padding: 0;
    margin: 0;
    line-height: 0;
}

.image-table img {
    display: block;
}