This may be worth looking into. I waffle on whether this sort of thing is ultimately a good decision — you're relying on someone else's framework, it takes a while to learn and master, and once you decide to go with it you're essentially stuck with it. But isn't that the case with any pseudo-framework developed for a website design? I should test this on a little project.
"The need for these distinctions becomes moot, of course, when no secondary actions are present. Make sure you really need each secondary action on a form and don’t add them indiscriminately."