layer at (0,0) size 800x600
  RenderCanvas 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 784x36
        RenderText {TEXT} at (0,0) size 691x36
          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 150: "This test is checking for"
          text run at (0,18) width 164: "visibility:collapse support."
      RenderFlexibleBox {DIV} at (0,52) size 100x100 [bgcolor=#FF0000]
        RenderFlexibleBox {DIV} at (0,0) size 0x0
        RenderFlexibleBox {DIV} at (0,0) size 100x100 [bgcolor=#008000]
