Fix destroy problem and add section area explanation

app/views/admin/svg_elements/index.html.slim

@@ -16,4 +16,7 @@
             = link_to t("helpers.links.destroy"), [:admin, svg_element], method: :delete, data: {confirm: are_you_sure? }, class: 'table-destroy-button'
 - else
   = no_content_given model_class
-= link_to t("helpers.links.new"), new_admin_svg_element_path, class: 'record-new-button'
+/= link_to t("helpers.links.new"), new_admin_svg_element_path, class: 'record-new-button'
+- content_for :page_links do
+  ul
+    li= link_to link_to_new_content(SvgElement), main_app.new_admin_svg_element_path, class: 'record-new-button'

app/views/admin/svg_elements/show.html.slim

@@ -1,16 +1,12 @@
 - model_class = SvgElement
-.page-header= title :show, @svg_element
+- title :show, @svg_element
 
 dl.dl-horizontal.show-list
-  dt= model_class.human_attribute_name(:number)
-  dd= @svg_element.number
-  - if @svg_element.supplier.present?
-    dt= Supplier.model_name.human
-    dd= link_to @svg_element.supplier.name, [:admin, @svg_element.supplier]
+  dt= model_class.human_attribute_name(:name)
+  dd= @svg_element.name
 
-.form-actions
-  = link_to t("helpers.links.back"), admin_svg_elements_path, class: 'btn'
-  '
-  = link_to t('helpers.links.edit'), [:edit, :admin, @svg_element], class: 'btn'
-  '
-  = link_to t("helpers.links.destroy"), [:admin, @svg_element], method: :delete, data: {confirm: are_you_sure? }, class: 'btn btn-danger'
+- content_for :page_links do
+  ul
+    li=link_to link_to_index_content(SvgElement), main_app.admin_svg_elements_path, class: 'to-index-button'
+    li=link_to link_to_edit_content(@svg_element), main_app.edit_admin_svg_element_path(@svg_element), class: 'record-edit-button'
+    li= link_to link_to_destroy_content(@svg_element), [:admin, @svg_element], method: :delete, data: {confirm: are_you_sure?}, class: 'record-destroy-button'