layer at (0,0) size 800x600
  LayoutView at (0,0) size 800x600
layer at (0,0) size 800x136
  LayoutBlockFlow {HTML} at (0,0) size 800x136
    LayoutBlockFlow {BODY} at (8,8) size 784x120
      LayoutBlockFlow (anonymous) at (0,0) size 784x20
        LayoutText {#text} at (0,0) size 514x19
          text run at (0,0) width 291: "You should see a 100x100 green square below. "
          text run at (290,0) width 224: "If you see any red, the test has failed."
layer at (8,28) size 100x100 scrollWidth 200 scrollHeight 200
  LayoutBlockFlow {DIV} at (0,20) size 100x100
    LayoutBlockFlow {DIV} at (100,100) size 100x100 [bgcolor=#FF0000]
layer at (150,100) size 100x100
  LayoutBlockFlow (positioned) {DIV} at (150,100) size 100x100 [bgcolor=#008000]