app/views/links/_link_fields.html.erb
<div id="<%= dom_id(f.object) %>" class="nested-fields">
<div class="small-12 column attachment-actions">
<%= f.text_field :label %>
<%= f.text_field :url %>
<div class="action-remove text-right">
<%= render_destroy_element_link(f, f.object) %>
</div>
</div>
<hr>
</div>