.toolbar .toolbar-icon.toolbar-icon-ws-keepmeup-subscribers-download-subscribers:before {
  background-image: url('/modules/custom/ws_keepmeup_subscribers/img/download-subscribers-787878.svg');
  background-position-y: 10px;
}

.toolbar .toolbar-icon.toolbar-icon-ws-keepmeup-subscribers-download-subscribers.is-active:before {
  background-image: url('/modules/custom/ws_keepmeup_subscribers/img/download-subscribers-000000.svg');
}