layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x600
  RenderBlock {HTML} at (0,0) size 800x600
    RenderBody {BODY} at (8,8) size 784x584
      RenderBlock {P} at (0,0) size 784x18
        RenderText {#text} at (0,0) size 609x18
          text run at (0,0) width 609: "You should see a single 100x100 green square below. If you see any red, then the test has failed."
      RenderFlexibleBox {DIV} at (0,34) size 100x100 [bgcolor=#FF0000]
        RenderBlock {DIV} at (0,0) size 100x100 [bgcolor=#008000]
