anchor.diff:              /*<%= Rouge::Themes::Base16.mode(:light).render(scope: '.highlight') %>*/
               <%= Rouge::Themes::Github.render(scope: '.highlight') %>
   
  +            div.edit{
  +              margin-top: 40px;
  +              width: 100%;
  +              /*background-color: #fff;*/
  +              color: #999;
  +            }
  +            div.edit > a {
  +              color: #999;
  +              text-decoration: none;
  +            }
               div[role=main] > .step_link{
                 text-decoration: none;
               }
  
positive.code:                       <a href="/<%= previous_page.path %>" class='step_link'>Previous: <%= previous_page.data.title %></a>
                      <% end %>
                    <% end %>
                  </div>
              </div>
  
  
negative.code:         </style>
  
          <%= stylesheet_link_tag 'https://factor.io/assets/landing.css' %>
          <%= stylesheet_link_tag '//maxcdn.bootstrapcdn.com/font-awesome/4.1.0/css/font-awesome.min.css' %>
          
      </head>
  
  