body {
    background-color: #ffffff;
    font-family: sans-serif;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
}

.container {
    width: 100%;
    max-width: 1000px;
}

.header {
    margin-bottom: 20px;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
}

.dropdown {
    width: 100%;
    padding: 10px;
    border: none;
    font-size: 14px;
    color: #333;
    background-color: white;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.card {
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    overflow: hidden;
    background-color: white;
    transition: transform 500ms ease, filter 500ms ease;
}

.image-container img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.footer {
    padding: 12px;
    text-align: center;
    font-size: 13px;
    font-weight: bold;
    color: #333;
    border-top: 1px solid #f0f0f0;
}

.camera-icon {
    font-size: 14px;
    margin-right: 5px;
}

@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

.card:hover {
    transform: scale(1.1);
}

.card:not(:hover) {
    filter: grayscale(100%);
}