layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x126
  RenderBlock {HTML} at (0,0) size 800x126
    RenderBody {BODY} at (8,16) size 784x102
      RenderBlock {P} at (0,0) size 784x20 [bgcolor=#00FF00]
        RenderText {#text} at (0,0) size 252x19
          text run at (0,0) width 252: "This line should have a green background."
      RenderBlock {P} at (0,36) size 784x24 [bgcolor=#00FF00]
        RenderText {#text} at (0,2) size 661x19
          text run at (0,2) width 661: "UAs may render the following element as a pop up menu. If so, please ensure the menu is unstyled (or green). "
        RenderMenuList {SELECT} at (663,2) size 98x20 [border: (1px solid #000000)]
          RenderBlock (anonymous) at (1,1) size 96x18
            RenderText at (4,1) size 66x16
              text run at (4,1) width 66: "This should"
        RenderText {#text} at (0,0) size 0x0
      RenderTable {TABLE} at (0,76) size 404x26 [bgcolor=#00FF00]
        RenderTableSection {TBODY} at (0,0) size 404x26
          RenderTableRow {TR} at (0,2) size 404x22
            RenderTableCell {TD} at (2,2) size 400x22 [r=0 c=0 rs=1 cs=1]
              RenderText {#text} at (1,1) size 398x19
                text run at (1,1) width 398: "This line should have a green background (or it might be unstyled)."