RemixIconEx.Weather.rainbow

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

rainbow(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Weather.rainbow()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M12 4c6.075 0 11 4.925 11 11v5h-2v-5a9 9 0 0 0-8.735-8.996L12 6a9 9 0 0 0-8.996 8.735L3 15v5H1v-5C1 8.925 5.925 4 12 4zm0 4a7 7 0 0 1 7 7v5h-2v-5a5 5 0 0 0-4.783-4.995L12 10a5 5 0 0 0-4.995 4.783L7 15v5H5v-5a7 7 0 0 1 7-7zm0 4a3 3 0 0 1 3 3v5h-2v-5a1 1 0 0 0-.883-.993L12 14a1 1 0 0 0-.993.883L11 15v5H9v-5a3 3 0 0 1 3-3z" />
</svg>

example usage

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