rhodecode/templates/forms/readonly/sequence.pt

<div tal:define="
     item_tmpl item_template|field.widget.readonly_item_template;
     oid oid|field.oid;
     name name|field.name;
     title title|field.title;"
     class="deform-seq"
     id="${oid}">

  <div class="panel panel-default">
    <div class="panel-heading">${title}</div>
    <div class="panel-body">

      <div class="deform-seq-container">
        <div tal:define="subfields [ x[1] for x in subfields ]"
             tal:repeat="subfield subfields"
             tal:replace="structure subfield.render_template(item_tmpl,
                                                          parent=field)" />
      </div>

      <div style="clear: both"></div>
    </div>

  </div>
</div>