Lead Developer
Wow, definitely something weird going on.
I don’t believe it’s a theme issue, as you can see with our demo: http://demo.generatepress.com/shop/
Can you try #1 on this page?: https://generatepress.com/knowledgebase/debugging/
Documentation: http://docs.generatepress.com/
Adding CSS: http://docs.generatepress.com/article/adding-css/
Ongoing Development: https://generatepress.com/ongoing-development