RemixIconEx.Device.mac

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

mac(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Device.mac()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M14 18v2l2 1v1H8l-.004-.996L10 20v-2H2.992A.998.998 0 0 1 2 16.993V4.007C2 3.451 2.455 3 2.992 3h18.016c.548 0 .992.449.992 1.007v12.986c0 .556-.455 1.007-.992 1.007H14zM4 5v9h16V5H4z" />
</svg>

example usage

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