grade3-syntax theme for Atom

grade3-syntax is an obvious choice for all those times when you're like... man, I'm feeling pretty nostalgic about 3rd grade right now, but my syntax theme is too punk-rock academy hackerdude supreme.

And when the moment's over, switch back to oceans16 or oceans16-bright themes. If you're feeling it, go dress up your IPython (Jupyter) Notebooks here.