RemixIconEx.Document.book_mark

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

book_mark(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Document.book_mark()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M3 18.5V5a3 3 0 0 1 3-3h14a1 1 0 0 1 1 1v18a1 1 0 0 1-1 1H6.5A3.5 3.5 0 0 1 3 18.5zM19 20v-3H6.5a1.5 1.5 0 0 0 0 3H19zM10 4H6a1 1 0 0 0-1 1v10.337A3.486 3.486 0 0 1 6.5 15H19V4h-2v8l-3.5-2-3.5 2V4z" />
</svg>

example usage

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