anchor.diff:  
        (".sidebar"
         :position "fixed"
  -      :min-width "300px"
  +      :min-width "200px"
         :height "100%"
         :overflow "hidden"
         :background-color "red")
  
positive.code:       :left "0px"
        :bottom "0px"
        :overflow "auto"
        :min-width "300px"
        :background-color "green"
  
        ; Move the scroll bar out of sight
  
negative.code:       :height "100%")
  
       (".content"
        :margin-left "200px"
        :height "100%"
        :width "auto"
        :position "relative"
  