RemixIconEx.Document.folder_unknow

You're seeing just the function folder_unknow, go back to RemixIconEx.Document module for more information.
Link to this function

folder_unknow(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Document.folder_unknow()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M12.414 5H21a1 1 0 0 1 1 1v14a1 1 0 0 1-1 1H3a1 1 0 0 1-1-1V4a1 1 0 0 1 1-1h7.414l2 2zM4 5v14h16V7h-8.414l-2-2H4zm7 11h2v2h-2v-2zm-2.433-5.187A3.501 3.501 0 1 1 12 15h-1v-2h1a1.5 1.5 0 1 0-1.471-1.794l-1.962-.393z" />
</svg>

example usage

svg.icon {
  width: 96;
  height: 96;
}