Update shelf.html

cps/templates/shelf.html

@@ -7,8 +7,7 @@
       {% endif %}
   {% if g.user.is_authenticated %}
     {% if (g.user.role_edit_shelfs() and shelf.is_public ) or not shelf.is_public  %}
-  
- <div id="delete_shelf" data-toggle="modal" data-target="#DeleteShelfDialog" class="btn btn-danger">{{ _('Delete this Shelf') }} </div>
+      <div id="delete_shelf" data-toggle="modal" data-target="#DeleteShelfDialog" class="btn btn-danger">{{ _('Delete this Shelf') }} </div>
       <a id="edit_shelf" href="{{ url_for('edit_shelf', shelf_id=shelf.id) }}" class="btn btn-primary">{{ _('Edit Shelf') }} </a>
       <a id="order_shelf" href="{{ url_for('order_shelf', shelf_id=shelf.id) }}" class="btn btn-primary">{{ _('Change order') }} </a>
     {% endif %}