layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x336
  RenderBlock {HTML} at (0,0) size 800x336
    RenderBody {BODY} at (8,8) size 784x320
      RenderFieldSet {FIELDSET} at (2,0) size 780x320 [border: (2px groove #C0C0C0)]
        RenderBlock (floating) {DIV} at (14,7) size 300x301 [bgcolor=#008000]
        RenderBlock {DIV} at (14,7) size 752x51
          RenderText {#text} at (300,0) size 86x17
            text run at (300,0) width 86: "Other content"