DjangoGirls/tutorial — pull request #54 by shmool (2014-07-26 13:20:28+00:00)
Title: CSS chapter - added explanations about CSS and fixed some language mistakes

Added some info about how CSS works (selectors - tags, classes and ids, declaration blocks...) with some useful links to w3schools pages.
Changed some text that relates to my additions.
Fixed some language issues and typos.
My first pull request!! :)