RemixIconEx.Business.mail_settings

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

mail_settings(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Business.mail_settings()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M20 7.238l-7.928 7.1L4 7.216V19h10v2H3a1 1 0 0 1-1-1V4a1 1 0 0 1 1-1h18a1 1 0 0 1 1 1v9h-2V7.238zM19.501 5H4.511l7.55 6.662L19.502 5zM17.05 19.548a3.017 3.017 0 0 1 0-1.096l-1.014-.586 1-1.732 1.014.586c.278-.238.599-.425.95-.55V15h2v1.17c.351.125.672.312.95.55l1.014-.586 1 1.732-1.014.586a3.017 3.017 0 0 1 0 1.096l1.014.586-1 1.732-1.014-.586a2.997 2.997 0 0 1-.95.55V23h-2v-1.17a2.997 2.997 0 0 1-.95-.55l-1.014.586-1-1.732 1.014-.586zM20 20a1 1 0 1 0 0-2 1 1 0 0 0 0 2z" />
</svg>

example usage

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