Check the documentation at http://florentpoujol.github.io/superpowers-ftext-plugin for more informations on the various settings you can find below.

Theme	Custom, as defined below
Tab Size
Indent with tabs
Key map	sublime vim emacs
Auto close brackets
Highlight	active line trailing spaces matching tags matchings words (selection)
Lint syntaxes	JSON CSON Javascript Jade Stylus CSS Yaml