Changle application.css
Reqiure in app.css & p.f1
install gem pg
Restore database.yml & .gitignore
model Card & migrate
Create 4 item Card
Add controller Cards
Change routes.rb
Add metod INDEX & views INDEX
Change link layouts/application.html.erb
Render all cards
Add style for table Card.all
Change time formats fot review_date
Change Gemfile
Change file cards.css.sccs
Nesting -> cards.css.scss
Change cards_controller.rb
change index.html.erb
change link_to application.html.erb
Change .gitignore