And the arrows aren't vertically aligned with the buttons. I don't despair, it's common of Apple to make big changes and gradually improve over time, Aqua wasn'

And the arrows aren't vertically aligned with the buttons. I don't despair, it's common of Apple to make big changes and gradually improve over time, Aqua wasn't perfect, but in Mountain Lion (despite not being truly Aqua, it has evolved to a certain perfection.) – what Apple have released in Yosemite is for developers, it will surely change before the open summer beta, and it will surely change again before Golden Master.