Wgere is button widget style?

It’s actually in your picture. Look to the right, and you’ll see a tab called “Style.”
You choose when you want your style to occur (when pressed, when hovered, etc) and place your image/sounds in that corresponding part.

Hi!

If you are talking about Slate Widget Button Style, it is used with menu created with C++. If you create menu with Widget Blueprint, then you already have a button style.

I prepared widget button style. But where I put this? Using UE 4.7 Pre 8

I used slate widget styles in widget blueprint one previous version. So I asked that. Thanks a lot. Assign all buttons etc. will get too much time.