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  RenderBlock (positioned) zI: -5 {DIV} at (10,270) size 100x100 [bgcolor=#FFFF00]
layer at (0,0) size 785x3016 layerType: foreground only
  RenderBlock {HTML} at (0,0) size 785x3016
    RenderBody {BODY} at (8,8) size 769x3000
layer at (8,226) size 537x18
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    RenderText {#text} at (0,0) size 538x18
      text run at (0,0) width 538: "You should see a yellow rect on the left, and a green one on the right. No red pixels."
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