RemixIconEx.Media.notification_3

You're seeing just the function notification_3, go back to RemixIconEx.Media module for more information.
Link to this function

notification_3(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Media.notification_3()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M20 17h2v2H2v-2h2v-7a8 8 0 1 1 16 0v7zm-2 0v-7a6 6 0 1 0-12 0v7h12zm-9 4h6v2H9v-2z" />
</svg>

example usage

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