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] [bgcolor=#FFFF00]
    RenderBody {body} at (8,16) size 784x18 [color=#000080] [bgcolor=#FFFF00]
      RenderBlock {p} at (0,0) size 784x18
        RenderText {#text} at (0,0) size 188x18
          text run at (0,0) width 188: "The canvas should be yellow."