layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x108
  RenderBlock {HTML} at (0,0) size 800x8
    RenderBody {BODY} at (8,8) size 784x0
      RenderBlock (floating) {DIV} at (-4216,0) size 5000x100 [bgcolor=#66EEAA]
        RenderText {#text} at (4712,0) size 288x18
          text run at (4712,0) width 288: "Element floated right with a width of 5000px."
