anchor.diff:          a(name='contact')
           .container
               .row
  -                .col-md-3
  +                .col-md-3.col-sm-3
                       p
                           b INFO
                       p
  
positive.code:                     p
                          a(href="mailto:oabutton+data@gmail.com")
                              | Get the data
                  .col-md-6
                      p
                          a.icon.twitter(href="https://twitter.com/oa_button") Twitter
                          a.icon.facebook(href="https://www.facebook.com/openaccess.net") Facebook
  
negative.code:                         a(href="https://groups.google.com/d/forum/open-access-button-general")
                              | Join the community
                      p Disclaimer
                  .col-md-3.col-sm-3
                      p
                          b ABOUT
                      p
  