layer at (0,0) size 800x600
  RenderCanvas at (0,0) size 800x600
layer at (0,0) size 800x116
  RenderBlock {HTML} at (0,0) size 800x116
    RenderBody {BODY} at (8,8) size 784x100
layer at (8,8) size 100x100
  RenderBlock (relative positioned) {DIV} at (0,0) size 100x100 [bgcolor=#FF0000]
layer at (8,8) size 100x100
  RenderBlock (relative positioned) {DIV} at (0,0) size 100x100 [bgcolor=#008000]