UMG "Inventory"

Hi,

So I want to make slelectable inventory in middle of my screen in game. So it will look like that:

I just set up mouse position to middle of screen (it is not in middle :(). The blueprint looks like this

How can I set it up to be like the game pause and it will show mouse cursor where I will choose button e.g “HANDS” and it will hoover?

the character blueprint looks like that: