@type t() :: %Folio.Content.Block{
  above: String.t() | nil,
  below: String.t() | nil,
  body: [Folio.Content.t()],
  fill: String.t() | nil,
  height: String.t() | nil,
  inset: String.t() | nil,
  radius: String.t() | nil,
  stroke: String.t() | nil,
  width: String.t() | nil
}