RemixIconEx.Logos.twitter

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

twitter(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Logos.twitter()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M15.3 5.55a2.9 2.9 0 0 0-2.9 2.847l-.028 1.575a.6.6 0 0 1-.68.583l-1.561-.212c-2.054-.28-4.022-1.226-5.91-2.799-.598 3.31.57 5.603 3.383 7.372l1.747 1.098a.6.6 0 0 1 .034.993L7.793 18.17c.947.059 1.846.017 2.592-.131 4.718-.942 7.855-4.492 7.855-10.348 0-.478-1.012-2.141-2.94-2.141zm-4.9 2.81a4.9 4.9 0 0 1 8.385-3.355c.711-.005 1.316.175 2.669-.645-.335 1.64-.5 2.352-1.214 3.331 0 7.642-4.697 11.358-9.463 12.309-3.268.652-8.02-.419-9.382-1.841.694-.054 3.514-.357 5.144-1.55C5.16 15.7-.329 12.47 3.278 3.786c1.693 1.977 3.41 3.323 5.15 4.037 1.158.475 1.442.465 1.973.538z" />
</svg>

example usage

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