anchor.diff:        .date
           include /svg/timeline/17.html
           h3 2010
  -        p Started working for my boss as a webdesigner & webdeveloper.  
  +        p Started working for my boss as a webdesigner & webdeveloper.
         .date
           include /svg/timeline/18.html
           h3 2011
  
positive.code:       .date
          include /svg/timeline/19.html
          h3 2012
          p Started teaching adults.  
        .date
          include /svg/timeline/20.html
          h3 2014
  
negative.code:       .date
          include /svg/timeline/21.html
          h3 2015
          p Switched jobs. Working in a bigger team.
        .date
          include /svg/timeline/22.html
          h3 2015
  