#let apply(doc) = {
  set page(paper: "a4", numbering: "1")
  set par(justify: true)
  set text(lang: "fr")
  set heading(numbering: "1.")

  show cite: content => {
    set text(fill: blue)
    content
  }

  show ref: content => {
    set text(fill: blue)
    content
  }

  doc
}