RemixIconEx.Logos.mastercard

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

mastercard(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Logos.mastercard()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M12 18.294a7.3 7.3 0 1 1 0-12.588 7.3 7.3 0 1 1 0 12.588zm1.702-1.384a5.3 5.3 0 1 0 0-9.82A7.273 7.273 0 0 1 15.6 12c0 1.89-.719 3.614-1.898 4.91zm-3.404-9.82a5.3 5.3 0 1 0 0 9.82A7.273 7.273 0 0 1 8.4 12c0-1.89.719-3.614 1.898-4.91zM12 8.205A5.284 5.284 0 0 0 10.4 12c0 1.488.613 2.832 1.6 3.795A5.284 5.284 0 0 0 13.6 12 5.284 5.284 0 0 0 12 8.205z" />
</svg>

example usage

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