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
    RenderBlock (anonymous) at (0,0) size 800x0
      RenderInline {body} at (0,0) size 0x0 [color=#000080]
    RenderBody {BODY} at (8,16) size 784x18 [color=#000080]
      RenderBlock {P} at (0,0) size 784x18
        RenderText {#text} at (0,0) size 240x18
          text run at (0,0) width 240: "The entire viewport should be yellow."