Added a simple HTML template
Added links to lessons 3 and 4
Ignore DS Store
Added references to codepen demos
Add a reference link about id and class in html.
Prepare lesson 5 and 6.
Add fashion_blog_part1 solution and remove the empty index.html inside lesson 3.
Add the dash link.
Add a:focus to pseudo class for anchor.
Update the pseudo class demo.txt.
Merge remote-tracking branch 'upstream/gh-pages' into gh-pages