This module was tested on 12th March 2019, using Drupal 8.6.10 with DX8 5.4.0.
There are known issues using Commerce with DX8.
With the right hooks implemented within a custom module you can layout commerce products, some fields are not compatible. Pages such as checkout process and cart can not be styled natively.
Link to the module
The module can be found on Drupal.org here.
Not working for you?
If this is not working for you, raise a ticket with our Customer Success team on our help center and we will look into your issue.