layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x50
  RenderBlock {HTML} at (0,0) size 800x50
    RenderBody {BODY} at (8,16) size 784x18
      RenderBlock {P} at (0,0) size 784x18
        RenderText {#text} at (0,0) size 310x17
          text run at (0,0) width 310: "Test passes if there is no red visible on the page."
layer at (8,146) size 306x6
  RenderPartObject {IFRAME} at (0,96) size 306x6 [border: (3px solid #FF0000)]
    layer at (0,0) size 284x8
      RenderView at (0,0) size 284x0
    layer at (0,0) size 284x8
      RenderBlock {HTML} at (0,0) size 284x8
        RenderBody {BODY} at (8,8) size 268x0
layer at (8,146) size 306x6
  RenderBlock (positioned) {DIV} at (0,96) size 306x6 [border: (3px solid #008000)]