flags:
  styles:
    - flag-icon-css/css/flag-icons

videoplayer:
  services:
    plyr:
      styles:
      - plyr/dist/plyr

syntaxhighlight:
  services:
    hljs:
      styles:
      - highlight.js/scss/atom-one-dark

math:
  services:
    katex:
      styles:
      - katex/dist/katex

embedpdf:
  styles:
  - ./sections/pdf-viewer