layer at (0,0) size 800x600
  RenderCanvas at (0,0) size 800x600
layer at (0,0) size 800x282
  RenderBlock {HTML} at (0,0) size 800x282
    RenderBody {BODY} at (8,16) size 784x250
      RenderBlock {P} at (0,0) size 784x18
        RenderText {TEXT} at (0,0) size 756x18
          text run at (0,0) width 386: "There should be no red below, just two 300\x{D7}100 pixel green "
          text run at (386,0) width 282: "rectangles of different shades, seperated by 1"
          text run at (668,0) width 88: "em of margin."
      RenderBlock {DIV} at (0,34) size 300x100 [bgcolor=#FF0000]
        RenderBlock {P} at (0,0) size 600x100
          RenderImage {IMG} at (0,0) size 300x100
          RenderText {TEXT} at (0,0) size 0x0
layer at (8,166) size 600x100
  RenderBlock (relative positioned) {DIV} at (0,150) size 300x100
    RenderBlock {P} at (0,0) size 600x100
      RenderImage {IMG} at (0,0) size 300x100
      RenderText {TEXT} at (0,0) size 0x0
      RenderText {TEXT} at (0,0) size 0x0
layer at (8,166) size 300x100
  RenderBlock (positioned) {SPAN} at (0,0) size 300x100 [bgcolor=#008000]