fix: Correct export tab alignment

examples/bootstrap4/app.py

@@ -48,6 +48,8 @@ class CustomView(ModelView):
 class UserAdmin(CustomView):
     column_searchable_list = ('name',)
     column_filters = ('name', 'email')
+    can_export = True
+    export_types = ['csv', 'xlsx']
 
 
 # Flask views

flask_admin/templates/bootstrap4/admin/model/layout.html

@@ -22,7 +22,7 @@
         </li>
     {% else %}
         <li>
-            <a href="{{ get_url('.export', export_type=admin_view.export_types[0], **request.args) }}"
+            <a class="nav-link" href="{{ get_url('.export', export_type=admin_view.export_types[0], **request.args) }}"
                title="{{ _gettext('Export') }}">{{ _gettext('Export') }}</a>
         </li>
     {% endif %}