fix merge conflict between content and master branch
Adds accessibility articles and examples
Merge branch 'content'
Refine examples' presentation on mobile and desktop viewports
Revise intro and add sectioning styling
refactor css
add styling to sections inside articles
remove accessibility copy
Merge branch 'master' of https://github.com/donnieberg/qstns
Change headers and delete tap target article

Removed .sass-cache and added to gitignore
Merge pull request #4 from xiaogwu/dberg-tracking-br

Add DBerg's latest content and add styling to headers and removed accessibility articles