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 784x578
      RenderBlock {P} at (0,0) size 784x57
        RenderText {#text} at (0,0) size 779x57
          text run at (0,0) width 563: "In this test, you should see three blocks that are centered horizontally within a black box. "
          text run at (563,0) width 210: "They should be stacked vertically"
          text run at (0,19) width 299: "with the green box in between two olive boxes. "
          text run at (299,19) width 480: "The olive boxes and the green box should be 100x100, and there should be"
          text run at (0,38) width 325: "50 pixels of padding on either side of the box stack."
layer at (8,79) size 240x340
  RenderBlock (positioned) {DIV} at (8,79) size 240x340 [border: (20px solid #000000)]
    RenderBlock {DIV} at (70,70) size 100x0
layer at (78,199) size 100x100
  RenderBlock (positioned) {SPAN} at (70,120) size 100x100 [bgcolor=#008000]
layer at (78,99) size 100x100
  RenderBlock (positioned) {DIV} at (70,20) size 100x100 [bgcolor=#808000]
layer at (78,299) size 100x100
  RenderBlock (positioned) {DIV} at (70,220) size 100x100 [bgcolor=#808000]
