How to fix menu display issue?

Question

css

I installed the menu module - Vertical drop menu - Demo menu
On the official website, the menu works fine - no matter what browser I go to, on my site - stavstroy.ru - if you go from Chrome - the menu unfolds incorrectly - as if inside. Screen
Actually a question - in what there can be a problem?

Answer 1

I just fixed it - I chose a different design in the settings

Answer 2

There are many demos in the link.
Submit the code from your site.

Answer 3

why not make such a thing on pure ccs?
and you don’t need to bathe with some kind of plugins
, he thinks the position from the left edge is not true, more precisely, it’s true but not from that element.
most likely hooked up wrong