anchor.diff:        fontSize: if sticky then '18px' else '29px'
         top: if sticky then '-65px' else '-80px'
   
  -    R.div className: 'slider', 
  +    R.div className: 'slider', style : { left: - (@props.width - DECISION_BOARD_WIDTH) / 2 },
         R.div className:'slider_base', style : {width: @props.width}, 
           R.div 
             className: 'slider_base_triangle_left'
  
positive.code:     [num_columns, segments, avatar_size] = @buildHistogram() #todo: memoize
  
      effective_histogram_width = num_columns * avatar_size
      margin_adjustment = -(effective_histogram_width - HISTOGRAM_WIDTH)/2
      #make sure that the neutral segment is centered
      margin_adjustment += (segments[0].length - segments[6].length) / 2 * avatar_size
  
      R.table 
        className: 'histogram'
  
negative.code:           R.div className: 'drag_arrow left', '<' if page == 'crafting' && !slider.has_moved
  
          R.img className:'bubblemouth', src: bubblemouth_src, style: {left: slider.clientX}
      
  
  ##
  # OpinionFilter
  