To get going, this file (index.html) includes some basic styles you can modify, play around with, or totally destroy to get going.
Once you've exhausted the fun in this document, you should check out:
Everything you need to know about using the framework.
Foundation Code Skills
These online courses offer you a chance to better understand how Foundation works and how you can master it to create awesome projects.
Join the Foundation community to ask a question or show off your knowlege.
This is a twelve column section in a row. Each of these includes a div.panel element so you can see where the columns are - it's not required at all for the grid.