coauthor edit and destroy fixed

app/views/desktop/co_authors/index.html.erb

@@ -16,8 +16,8 @@
     <td><%= co_author.co_author %></td>
     <td><%= co_author.email %></td>
     <td><%= co_author.type%></td>
-    <td><%= link_to 'Edit', edit_desktop_co_author_path(co_author) %></td>
-    <td><%= link_to 'Destroy', desktop_co_author_path(co_author), method: :delete, confirm: 'Are you sure?'  %></td>
+    <td><%= link_to 'Edit', edit_desktop_co_author_path(co_author), :class => "bt-edit" %></td>
+    <td><%= link_to 'Destroy', desktop_co_author_path(co_author), method: :delete, confirm: 'Are you sure?', :class=>"bt-delete"  %></td>
   </tr>
 <% end %>
 </table>