1. Selector chaining
2. selector grouping
3. Floats & Clearfixes
4. The CSS box model

1. Decide between using a symmetrical and asymmetrical grid system.
2. In the index.html file, explain how you and your pair came to this conclusion. What are the advantages of one over the other?
3. There are starter styles in the app.css file. Expand on that to implement the system of your choice.
4. Pretend like this is a library / framework that you will share on github. Write HTML that demonstrates how your classes work, all the way up to 12 columns. (See the example images below).

Tristan's Work:

Preview:

Preview Two:

1. In the terminal, cd into the root of this project.
2. Run python -m SimpleHTTPServer to start a server.
3. Visit localhost:8000 to see the index page