def get_style_version(request):
    """Return a string with the 'style' for the app.

    - 'lite' means to remove headers and other information.
    - 'standard' is the standard version with the title and info.
    - anything else is adding the header bar and Plausible script.
    This is the default option.
    """
    return request.environ.get("HTTP_X_APP_STYLE", "")