layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x54
  RenderBlock {HTML} at (0,0) size 800x54
    RenderBody {BODY} at (8,16) size 784x22
      RenderBlock {P} at (0,0) size 784x22
        RenderBlock {INPUT} at (2,3) size 16x16 [bgcolor=#00FF00] [border: (1px solid #4C4C4C)]
        RenderText {#text} at (20,2) size 4x19
          text run at (20,2) width 4: " "
        RenderInline {SPAN} at (0,0) size 394x19 [bgcolor=#00FF00]
          RenderText {#text} at (24,2) size 394x19
            text run at (24,2) width 394: "Everything in this paragraph should have a green background"