RemixIconEx.Media.4k

You're seeing just the function 4k, go back to RemixIconEx.Media module for more information.
Link to this function

4k(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Media.4k()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M4 5v14h16V5H4zM3 3h18a1 1 0 0 1 1 1v16a1 1 0 0 1-1 1H3a1 1 0 0 1-1-1V4a1 1 0 0 1 1-1zm8.5 10.5h-1V15H9v-1.5H6V9h1.5v3H9V9h1.5v3h1v1.5zM18 15h-1.75l-1.75-2.25V15H13V9h1.5v2.25L16.25 9H18l-2.25 3L18 15z" />
</svg>

example usage

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