This is how icons overlap looks like on the desktop: https://www.google.lt/search?q=ubuntu+overlap+icons&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjRw63w6MPcAhUjxKYKHQ0iAKkQ_AUICigB&biw=1242&bih=577#imgrc=LbqaaXwisdx7LM :