code: @PreAuthorize("hasAnyRole('ROLE_SU')")
    @PostMapping(
        value = "/set-bootstrap-theme",
        produces = "application/json",
        consumes = "application/json")
    public @ResponseBody void setBootstrapTheme(@Valid @RequestBody String styleName) {
      styleService.setSelectedStyle(styleName);
    }
docs: Set a new bootstrap theme