addtocalendar-8.x-3.x-dev/addtocalendar.libraries.yml

base:
  css:
    component:
      '//addtocalendar.com/atc/1.5/atc-base.css': {type: external}
  js:
    '//addtocalendar.com/atc/1.5/atc.min.js': { type: external, minified: true }
    'js/addtocalendar.js': {}

glow_orange:
  css:
    component:
      '//addtocalendar.com/atc/1.5/atc-style-glow-orange.css': {type: external}

blue:
  css:
    component:
      '//addtocalendar.com/atc/1.5/atc-style-blue.css': {type: external}