anchor.diff:  
   <div id="app-bar">
     <%= render partial: 'shared/yin_yang_logo' %>
  +
  +  <%# mode toggles %>
  +  <%= render partial: 'shared/theme' %>
  +  <%= render partial: 'shared/colour' %>
  +  <%= render partial: 'shared/predict' %>
   
     <%# text info %>
     <%= render partial: 'shared/display_name' %>
     <%= render partial: 'shared/exercise_name' %>
     <%= render partial: 'shared/id' %>
  -
  -  <%# mode toggles %>
  -  <%= render partial: 'shared/theme' %>
  -  <%= render partial: 'shared/colour' %>
  -  <%= render partial: 'shared/predict' %>
   
     <%# dialogs %>
     <%= render partial: 'shared/charity' %>
  
positive.code:   <%= render partial: 'shared/accu' %>
  
    <%= render partial: 'shared/help' %>
  </div>
  
  <%= render partial: 'shared/hover_tip_container' %>
  
negative.code: 
    <%# pages %>
    <%= render partial: 'shared/dashboard' %>
  
    <%# sponsors %>
    <%= render partial: 'shared/praqma' %>
  