RemixIconEx.User.skull_2

You're seeing just the function skull_2, go back to RemixIconEx.User module for more information.
Link to this function

skull_2(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.User.skull_2()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M12 2c5.523 0 10 4.477 10 10v3.764a2 2 0 0 1-1.106 1.789L18 19v1a3 3 0 0 1-2.824 2.995L14.95 23a2.5 2.5 0 0 0 .044-.33L15 22.5V22a2 2 0 0 0-1.85-1.995L13 20h-2a2 2 0 0 0-1.995 1.85L9 22v.5c0 .171.017.339.05.5H9a3 3 0 0 1-3-3v-1l-2.894-1.447A2 2 0 0 1 2 15.763V12C2 6.477 6.477 2 12 2zm0 2a8 8 0 0 0-7.996 7.75L4 12v3.764l4 2v1.591l.075-.084a3.992 3.992 0 0 1 2.723-1.266L11 18l2.073.001.223.01c.999.074 1.89.51 2.55 1.177l.154.167v-1.591l4-2V12a8 8 0 0 0-8-8zm-4 7a2 2 0 1 1 0 4 2 2 0 0 1 0-4zm8 0a2 2 0 1 1 0 4 2 2 0 0 1 0-4z" />
</svg>

example usage

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