Well, I personally just open a drawing program, set the dimensions and just draw and write whatever I want, but I think there's also a button maker here, somewhere...
there's probably a better way to do this but i just used pixlr lol
I tried to use an image editor, but to be honest I'm not very good with design.
a roller coaster of emotions: https://youtu.be/dta1wF7m5lA
Same!!