Multiple borders of a div

This my HTML and CSS codes :

.section {
  height: 200px;
  width: 300px;
  background-color: papayawhip;
  border: 8px solid gold;
  display:block;
  padding:10px;
}

<div class="section">
Hello. This is my content!
</div>

I want a germany flag border, outer black, then red, then golden. How can I do that? Thank you. :)