.gallery-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px; 
    margin: 15px;
}

.gallery-container img {
    width: 100%;
    height: auto;
    display: block;
    border: 1px solid #ccc; 
    box-shadow: 2px 2px 5px rgba(0,0,0,0.3);
}