body {
    font-family: Arial, sans-serif;
    margin: 0;
    background: #f5f5f5;
}
header, footer {
    background: #333;
    color: white;
    padding: 10px;
    text-align: center;
}
.gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding: 20px;
}
.logo-card {
    background: white;
    padding: 10px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    text-align: center;
}
.thumbnail {
    max-width: 100%;
    cursor: pointer;
    border-radius: 5px;
}
.share-buttons {
    margin-top: 10px;
    display: flex;
    justify-content: center;
    gap: 10px;
}
.share-buttons a {
    text-decoration: none;
    color: #0066cc;
}
.pagination {
    text-align: center;
    margin: 20px 0;
}
.pagination a {
    padding: 8px 12px;
    background: #eee;
    margin: 0 5px;
    text-decoration: none;
    border-radius: 4px;
}
.pagination a.active {
    background: #333;
    color: white;
}
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.8);
    justify-content: center;
    align-items: center;
}
.modal img {
    display: block;
    margin: auto;
    width: 500px;
    height: 500px;
    object-fit: contain;
}