RemixIconEx.Media.notification

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

notification(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Media.notification()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M5 18h14v-6.969C19 7.148 15.866 4 12 4s-7 3.148-7 7.031V18zm7-16c4.97 0 9 4.043 9 9.031V20H3v-8.969C3 6.043 7.03 2 12 2zM9.5 21h5a2.5 2.5 0 1 1-5 0z" />
</svg>

example usage

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