Submenu's arent alligned correctly

Question

I've made a template in Template Toaster with a sidebar menu with submenu's in a testlab like in this image

Installed in my domain the submenu's aren't alligned correctly

Is this a bug in TT7 or a misconfiguration in Joomla 3.8.8

Answer 1

Please provide your Website URL so that we can check the issue at your end and guide you accordingly.

Comments

Thanks for your Quick reply.
The URL is http://http://www.seniorenorkesthuttenkamp.nl/index.php.
Conserning this question: After some time spontaniuesly colors of the menu appeared, but the submenu items still aren't alligned correctly.