RemixIconEx.Media.notification_off

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

notification_off(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Media.notification_off()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M18.586 20H4a.5.5 0 0 1-.4-.8l.4-.533V10c0-1.33.324-2.584.899-3.687L1.393 2.808l1.415-1.415 19.799 19.8-1.415 1.414L18.586 20zM6.408 7.822A5.985 5.985 0 0 0 6 10v8h10.586L6.408 7.822zM20 15.786l-2-2V10a6 6 0 0 0-8.99-5.203L7.56 3.345A8 8 0 0 1 20 10v5.786zM9.5 21h5a2.5 2.5 0 1 1-5 0z" />
</svg>

example usage

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