theme.libraries.yml

global-styling:
  version:1.x
  css:
    theme:
      css/style.css:{}
      css/print.css:{ media:print}

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global-styling:
  css:
    Theme:
      css/style.css: {}
      css/print.css: { media: print }
  js:
      js/scripts.js: {}
  dependencies:
  - core/drupal
  - core/jquery