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  RenderCanvas at (0,0) size 800x600
layer at (0,0) size 800x168
  RenderBlock {HTML} at (0,0) size 800x168
    RenderBody {BODY} at (8,8) size 784x152
      RenderBlock {P} at (0,0) size 784x36
        RenderText {TEXT} at (0,0) size 753x36
          text run at (0,0) width 137: "You should see a 100"
          text run at (137,0) width 167: "x100 green square below. "
          text run at (304,0) width 237: "If you see any red, the test has failed. "
          text run at (541,0) width 212: "This test is checking for box-flex-"
          text run at (0,18) width 92: "group support."
      RenderFlexibleBox {DIV} at (0,52) size 100x100 [bgcolor=#FF0000]
        RenderFlexibleBox {DIV} at (0,0) size 100x100 [bgcolor=#008000]
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