jupyterlab/packages/filebrowser-extension/style/index.css

/*-----------------------------------------------------------------------------
| Copyright (c) Jupyter Development Team.
| Distributed under the terms of the Modified BSD License.
|----------------------------------------------------------------------------*/

@import url('~@jupyterlab/filebrowser/style/index.css');

#filebrowser.jp-mod-restoring .jp-DirListing-content {
  display: none;
}