SOLVED some plugin parameters do not change style

SOLVED the below in the php/css (still not sure why some plugin parameters seem to have no effect though !)

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Hi, there are some things which I don't understand:

- the main menu top margin set in the plugin does not change the menu's position a all (changing the padding works though)

- in some menu items, even though all corners are set to NOT rounded, both top corners do still show rounded (but the bottom corners are correctly not rounded anymore !!???)

- the "corner" and "border" parameters set in the plugin for the "submenu" do only affect the 1st level submenu, but the 2nd/3rd dont seem to be affected by the plugin border/corner parameters
and I dont know hoe to get rid of the borders/corners also of 2nd/red level.

Can you advise please ?

THANKS !