The new battle.net login screen is to big, it does not allow me to reach the login button at the bottom since the verify screen is to large.
Had to blind tab until I reached the login button. I could not see the button but tabbed and entered until it worked. Login in screen needs to be modified to actually be usable.
What resolution is your monitor?
You should be able to just click and drag on the corner of the Launcher though to resize it. I haven’t had any issues at all with the size of the Launcher.