[arechsteiner]

There's also this

https://github.com/HackerThemes/theme-machine/blob/master/sc...

which is imported in the file that you linked. That's all in terms of SCSS. Then the gulp task runs the SCSS build and the autoprefixer.

[Blackstone4]

Awesome. Thanks. Good work.

It's surprising always how little you need to tweak Bootstrap to make it look completely different.