Нумерация фото в поле

.content_item {
    counter-reset: figures;
}
 
.field.ft_image .value, .field.ft_images .img-photos {
    counter-increment: figures;
    position: relative;
}
 
.field.ft_image .value:before, .field.ft_images .img-photos:before {
    content: counter(figures);
    text-decoration: none;
    position: absolute;
    bottom: 5px;
    right: 2px;
    display: block;
    padding: 5px 9px;
    background: rgba(0, 0, 0, .5);
    color: #fefefe;
}