.acf-galerie-4-attachment-thumbnail {
    cursor: grab;
    margin: 5px;
    display: inline-block;
    vertical-align: top;
}

.acf-galerie-4-attachment-thumbnail img {
    width: 100px;
    height: auto;
}

.ui-sortable-helper {
    opacity: 0.8;
    transform: scale(1.05);
    z-index: 1000;
}