add package.json
not sure what this is, might be important
add stylus and bower dependencies

we don't need bower yet, but we might in the future and it has barely any dependencies.
apply better box model

copied from http://www.paulirish.com/2012/box-sizing-border-box-ftw/
import the stylus output in the sass stylesheet
Merge pull request #16 from karlsander/master

apply a more natural box model