RemixIconEx.System.thumb_up

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

thumb_up(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.System.thumb_up()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M14.6 8H21a2 2 0 0 1 2 2v2.104a2 2 0 0 1-.15.762l-3.095 7.515a1 1 0 0 1-.925.619H2a1 1 0 0 1-1-1V10a1 1 0 0 1 1-1h3.482a1 1 0 0 0 .817-.423L11.752.85a.5.5 0 0 1 .632-.159l1.814.907a2.5 2.5 0 0 1 1.305 2.853L14.6 8zM7 10.588V19h11.16L21 12.104V10h-6.4a2 2 0 0 1-1.938-2.493l.903-3.548a.5.5 0 0 0-.261-.571l-.661-.33-4.71 6.672c-.25.354-.57.644-.933.858zM5 11H3v8h2v-8z" />
</svg>

example usage

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