anchor.diff:                            </button>
                             <i class="icon-st-icons-images select_featured_image"></i>
                             <div class="select_featured_image">
  -                            <%= link_to "Select Featured Image", "#", class: "btn btn-primary btn-outline text-lighter", id: "featured_media_button" %>
  -                          </div>
  -                        </div>
  -                      </div>
  -                      <div class="col-sm-6">
  -                        <div class="well text-center featured_image_block <%= 'has-image' if @post.secondary_media %>">
  -                          <%= f.input :secondary_media_id, as: :hidden, input_html: { id: "secondary_media_id" } %>
  -                          <div id="secondary_media_container" class="image_container">
  -                            <%= image_tag @post.secondary_media.file_url(:thumb), id: "secondary_media_image" if @post.secondary_media %>
  -                          </div>
  -                          <button type="button" class="btn btn-danger btn-block remove_featured_image">
  -                            <%= t('dashboard.posts.remove_image') %>
  -                          </button>
  -                          <i class="icon-st-icons-images select_featured_image"></i>
  -                          <div class="select_featured_image">
  -                            <%= link_to "Select Secondary Image", "#", class: "btn btn-primary btn-outline text-lighter", id: "secondary_media_button" %>
  +                            <%= link_to "Elegir Imagen Para Titular", "#", class: "btn btn-primary btn-outline text-lighter", id: "featured_media_button" %>
                             </div>
                           </div>
                         </div>
  
positive.code:                 <div class="row">
                    <div class="col-sm-10 col-sm-offset-1">
                      <div class="row">
                        <div class="col-sm-6">
                          <div class="well text-center featured_image_block <%= 'has-image' if @post.featured_media %>">
                            <%= f.input :featured_media_id, as: :hidden, input_html: { id: "featured_media_id" } %>
                            <div id="featured_media_container" class="image_container">
  
negative.code: 
                <div class="post_field post_tags">
                  <%= f.association :tags, input_html: { name: "#{@post.class.name.split('::').last.tableize.singularize}[tag_list][]", class: 'chosen-select tags-input', multiple: true } %>
                </div>
  
                <div class="row">
                  <div class="col-sm-12">
                    <%# byebug %>
                    <!-- @post.featured_media[:retina_dimensions][:file] -->
                    <%= image_tag "#{@post.featured_media.file.header_img.url}", style: "max-width:19%" %>
                    <%= image_tag "#{@post.featured_media.file.header_img_east.url}", style: "max-width:19%" %>
                    <%= image_tag "#{@post.featured_media.file.header_img_west.url}", style: "max-width:19%" %>
                    <%= image_tag "#{@post.featured_media.file.header_img_south_east.url}", style: "max-width:19%" %>
                    <%= image_tag "#{@post.featured_media.file.header_img_south_west.url}", style: "max-width:19%" %>
                    <% @headers = [:default, :derecha, :izquierda] %>
                    <%= f.input :the_header_img, collection: @headers, prompt: "Elige header" %>
                  </div>
                </div>
  
                <div class="row">
  