layer at (0,0) size 800x600
  LayoutView at (0,0) size 800x600
layer at (0,0) size 800x600
  LayoutBlockFlow {HTML} at (0,0) size 800x600
    LayoutBlockFlow {BODY} at (0,0) size 800x600
layer at (0,0) size 800x600
  LayoutBlockFlow (positioned) zI: 10 {DIV} at (0,0) size 800x600 [bgcolor=#FF0000]
layer at (0,0) size 800x600
  LayoutBlockFlow (positioned) zI: 2147483647 {DIV} at (0,0) size 800x600 [bgcolor=#008000]