Submenu on the same level

Hello

First of all, thanks for your work. Great stuff.
I've one question.
I'd like to open every sub-menu on the same height (top in this case).
Just like on www.lezyne.com/ in "products".
Now, next menu level is opening on the height of button.

Thanks

Wojtek

HI
please see with www.intangible-logic.com/ how they made this customization of maximenu on this website.
Regards
CEd