/**
 * Webkul Software.
 *
 * @category  Webkul
 * @package   Webkul_PriceDropAlert
 * @author    Webkul Software Private Limited
 * @copyright Webkul Software Private Limited (https://webkul.com)
 * @license   https://store.webkul.com/license.html
 */
 .admin__page-nav.wk-config-tab-class._collapsed._show
 ._collapsible
 strong:before {
 content: "";
 background: url(../images/logo.png) no-repeat scroll 0 0
     transparent;
 width: 100%;
 height: 26px;
 display: inline-block;
 vertical-align: bottom;
}
.admin__page-nav.wk-config-tab-class._collapsed._show ._collapsible strong {
 font-size: 0;
}