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 784x20
        RenderText {#text} at (0,0) size 441x19
          text run at (0,0) width 441: "You should see a green rectangle with a rounded black border below."
layer at (8,44) size 320x320 clip at (18,54) size 300x300 scrollWidth 310 scrollHeight 310
  RenderBlock {DIV} at (0,36) size 320x320 [bgcolor=#FF0000] [border: (10px solid #000000)]
    RenderBlock {DIV} at (0,0) size 320x320 [bgcolor=#008000]
