layer at (0,0) size 808x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 808x600
  RenderBlock {HTML} at (0,0) size 800x600
    RenderBody {BODY} at (8,8) size 784x584
      RenderBlock {P} at (0,0) size 784x19 [color=#008000]
        RenderText {#text} at (0,0) size 374x19
          text run at (0,0) width 374: "This text should be green if viewport is at most 800px wide."
      RenderBlock {DIV} at (0,33) size 800x19 [bgcolor=#ADD8E6]
        RenderText {#text} at (0,0) size 114x19
          text run at (0,0) width 114: "div of width 800px"
