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  RenderCanvas at (0,0) size 800x600
layer at (0,0) size 800x164
  RenderBlock {HTML} at (0,0) size 800x164
    RenderBody {BODY} at (8,8) size 784x148
      RenderBlock {P} at (0,0) size 784x34
        RenderText {TEXT} at (0,0) size 755x34
          text run at (0,0) width 147: "You should see a 100"
          text run at (147,0) width 183: "x100 green square below. "
          text run at (330,0) width 261: "If you see any red, the test has failed. "
          text run at (591,0) width 164: "This test is checking for"
          text run at (0,17) width 180: "visibility:collapse support."
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        RenderFlexibleBox {DIV} at (0,-500000) size 0x0
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