Making a main menu: Why do my buttons appear larger when I test the game?

I’m extremely new to Unreal Engine 4, and if it’s not obvious by this question I really don’t know what i’m doing but i’m learning at a steady pace. There weren’t any tutorials on making the kind’ve main menu that I’m trying to make so I watched simple ones and tried to incorporate what I learned into the one I was making. Everything seems like it’s fine but after I compile the widget when I play test the game all of the buttons get huge. I think it has something to do with the anchors, but no matter how much I change them the results are still undesirable. I have no idea what to do, and i’m finally giving in and asking for help.All of my buttons are inside the canvas panel, and they also overlap as well.