JetGuten is a top-notch addon for Gutenberg editor, which provides the set of content blocks with intuitive visual stylization.

Demo:

http://urlit.me/wyO1y

https://www25.zippyshare.com/v/Di0tsGEm/file.html

https://mega.nz/#!CioHkaCI!zE_0jpMeJ3HvfyBkGnGLezKAJkjz3RqRteNNRAoVdL8

http://uploadseed.com/2V5