parsley/app/views/recipes/editor/_step.html.erb

<div class="nested-fields step-editor">

  <div class="row">
    <div class="col-xs-1">
      <span class="sort-order-display"><%= f.object ? f.object.sort_order : '' %></span>
    </div>

    <div class="col-xs-10">
      <div class="form-group">
        <%= f.label :step %>
        <%= f.text_area :step, class: 'form-control' %>
      </div>
    </div>

    <div class="col-xs-1">
      <%= link_to_remove_association f, class: 'btn btn-danger' do %>
        <span class="glyphicon glyphicon-remove"></span>
      <% end %>
    </div>
  </div>

  <%= f.hidden_field :sort_order, class: 'sort-order' %>

</div>