Merge pull request #1 from Nilegfx/master

Merge others' work
Merge pull request #2 from erikescueta/master

pull Erik's work
Add a warm up section
Rough outlines
Add a little bit more
add the mixin to elaborate
Add SMACSS & BEM
Merge pull request #5 from Clauz-JDZ/master

Send you guys what I have right now