code: private void initCss() {
  
          I_CmsLayoutBundle.INSTANCE.galleryDialogCss().ensureInjected();
          I_CmsLayoutBundle.INSTANCE.galleryResultItemCss().ensureInjected();
          I_CmsLayoutBundle.INSTANCE.listTreeCss().ensureInjected();
          I_CmsLayoutBundle.INSTANCE.previewDialogCss().ensureInjected();
          I_CmsLayoutBundle.INSTANCE.croppingDialogCss().ensureInjected();
          I_CmsLayoutBundle.INSTANCE.imageEditorFormCss().ensureInjected();
          I_CmsLayoutBundle.INSTANCE.imageAdvancedFormCss().ensureInjected();
      }
docs: Ensures all style sheets are loaded.<p>