(defwindow example
           :monitor 0
           :geometry (geometry :x "0%"
                               :y "20px"
                               :width "90%"
                               :height "30px"
                               :anchor "top center")
           :stacking "overlay"
           :reserve (struts :distance "40px" :side "top")
           :windowtype "dock"
           :wm-ignore false
           :namespace eww-example
  "example content")