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  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 784x576
      RenderBlock {P} at (0,0) size 784x20
        RenderText {#text} at (0,0) size 420x19
          text run at (0,0) width 420: "The inner blue box should be 50% as tall as the outer yellow box."
layer at (8,30) size 304x540
  RenderBlock (positioned) {DIV} at (8,30) size 304x540 [bgcolor=#FFFF00] [border: (2px dashed #000000)]
    RenderBlock {DIV} at (2,2) size 300x272 [bgcolor=#0000FF] [border: (2px dashed #000000)]