at_tools-8.x-3.x-dev/at_theme_generator/at_theme_generator.libraries.yml

# Appearance settings.
appearance_settings:
  version: "8.x-1.0"
  css:
    theme:
      css/appearance_settings.css: {}

# Generator styles.
theme_generator:
  version: 8.x-1.0
  css:
    theme:
      css/appearance_generator.css: {}
  dependencies:
    - core/jquery
    - core/drupal.machine-name