@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

.gallery-image-item {
    padding-left: 3px;
    padding-right: 3px;
    padding-top: 3px;
    padding-bottom: 3px;
    transition: transform .2s; /* Animation */
    animation: fadeIn 1s;
}

.gallery-image-item:hover {
    transform: scale(0.98);
    box-shadow: 0 0rem 0.5rem rgba(0, 200, 0, 0.35);
    cursor: pointer;
}