在鼠标悬停时更改按钮文本，调整整个按钮的大小

I have an annoying problem, I want the bootstrap button to be fixed in size. At the moment when I scroll over the bootstrap button it resizes the entire button. I use javascript to change the text (mouseover and mouseout). How can I disable this so the button remains the same size and only the text changes?I have an annoying problem, I want the bootstra