What do you need to know?
Flatty is built on Twitter Bootstrap framework. If you are not familiar with Twitter Bootstrap, you should check it out because this documentation expects a basic knowledge of this framework.
This documentation will not teach you HTML & CSS, it's just showcase of custom elements used in template. Elements from Bootstrap aren't described (documentation for these elements can be found here).
What files do I need to load to get it working?
How to get plugin ABC get working?
If you want plugin
to get working, you must include all dependent files - check all folders