center;\n  z-index: 50;\n}\n\n.card .overlay > .fa,\n.card .overlay > .fas,\n.card .overlay > .far,\n.card .overlay > .fab,\n.card .overlay > .glyphicon,\n.card .overlay > .ion,\n.overlay-wrapper .overlay > .fa,\n.overlay-wrapper .overlay > .fas,\n.overlay-wrapper .overlay > .far,\n.overlay-wrapper .overlay > .fab,\n.overlay-wrapper .overlay > .glyphicon,\n.overlay-wrapper .overlay > .ion,\n.info-box .overlay > .fa,\n.info-box .overlay > .fas,\n.info-box .overlay > .far,\n.info-box .overlay > .fab,\n.info-box...

source: '',\n    sourceSelector: '',\n    params: {},\n    trigger: Selector.DATA_REFRESH,\n    content: '.card-body',\n    loadInContent: true,\n    loadOnInit: true,\n    responseType: '',\n    overlayTemplate: '<div class=\"overlay\"><i class=\"fas fa-2x fa-sync-alt fa-spin\"></i></div>',\n    onLoadStart: function () {\n    },\n    onLoadDone: function (response) {\n      return response;\n    }\n  }\n\n  class CardRefresh {\n    constructor(element, settings) {\n      this._element  = element\n...