layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x176
  RenderBlock {HTML} at (0,0) size 800x176
    RenderBody {BODY} at (8,16) size 784x152
      RenderBlock {P} at (0,0) size 784x36
        RenderText {#text} at (0,0) size 769x36
          text run at (0,0) width 769: "Test passes if there is a single blue rectangle on the left, a single orange rectangle directly to its right, and there is no red"
          text run at (0,18) width 125: "visible on the page."
      RenderFlexibleBox {DIV} at (0,52) size 300x100 [bgcolor=#FF0000]
        RenderBlock {DIV} at (150,0) size 150x100 [bgcolor=#FFA500]
        RenderBlock {DIV} at (0,0) size 150x100 [bgcolor=#0000FF]