Not responsive

Hi!
Thanks a lot for great plugin. I would like to ask about its responsiveness – it appears to be limited when I use MPL on page generated by SiteOrigin builder.

Example: https://gamescorner.pl/ho/
If you resize window and make it smaller grid will not fit properly into the boundaries of that page.

I see there is similar topic here but unresolved:
https://www.ads-software.com/support/topic/grid-mode-broken-when-embedded-using-page-builder/

Have you managed to fix that? Is the responsiveness working in pro version?