.add-row {
    padding-left:18px;
    background:url(/static/img/add.png) no-repeat left center;
}
.delete-row {
    display:block;
    margin: 0;
    padding-left:18px;
    background:url(/static/img/delete.png) no-repeat left center;
}

#id_product_photos_formset tr:nth-child(even) {background-color: #CCC !important}
#id_product_photos_formset tr:nth-child(odd) {background-color: #FFF !important}

/* ordering */
tr.myDragClass td {
    color: yellow;
    background-color: black !important;
}
tr.alt td {
    background-color: black !important;
}