You deserve downvotes. Semantic HTML is a key part of making your website accessible for people with disabilities. Ignore it, and you shouldn't be making things for the web.
This looks promising, animations in React are a bit of a mess right now.
React-motion requires a PhD to figure out, and I'd rather stick pins in my eyes than use Transition Group.
I have had some moderate success with Popmotion, although I've also seen performance issues when staggering lists (likely down to my implementation rather than the library, but still).