Файл: templates/backend/default/assets/plugins/datatables-responsive/css/datatables.responsive.min.css
Строк: 35
table.has-columns-hidden>tbody>tr>td>span.responsiveExpander{background:url(../img/plus.png)
no-repeat 5px
center;padding-left:32px;cursor:pointer}table.has-columns-hidden>tbody>tr.detail-show>td
span.responsiveExpander{background:url(../img/minus.png) no-repeat 5px
center}table.has-columns-hidden>tbody>tr.row-detail>td{background:#eee}table.has-columns-hidden>tbody>tr.row-detail>td>ul{list-style:none;margin:0}table.has-columns-hidden>tbody>tr.row-detail>td>ul>li>span.columnTitle{font-weight:700}