#let apply(doc) = {
  set page(
    paper: "a4",
    flipped: true,
    numbering: none,
    margin: (x: 2.5em, y: 1em)
  )

  // Code formatting
  show raw.where(block: true): it => {
    set par(justify: false)
    let split = it.text.split("\n")
    let len = split.len()
    grid(
      columns: (100%, 100%),
      column-gutter: -100%,
      block(width: 100%, inset: 1em, for (i, line) in split.enumerate() {
        box(width: 0pt, align(right, str(i + 1) + h(2em)))
        hide(line)
        linebreak()
      }),
      block(radius: 1em, fill: luma(246), width: 100%, inset: 1em, it),
    )
  }

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

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

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

  set heading(numbering: "1.1")

  doc
}