app/components/breadcrumbs_component.html.erb
<nav class="breadcrumb" aria-label="breadcrumbs">
<ul>
<% @crumbs.each do |crumb| %>
<% if active_crumb?(crumb) %>
<li class="is-active"><a href="#" aria-current="page"><%= crumb[:name] %></a></li>
<% else %>
<li><%= link_to(crumb[:name], crumb[:link]) %></li>
<% end %>
<% end %>
</ul>
</nav>
<br/>