layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x350
  RenderBlock {HTML} at (0,0) size 800x350
    RenderBody {BODY} at (8,16) size 784x326
      RenderBlock {P} at (0,0) size 784x18
        RenderText {#text} at (0,0) size 497x18
          text run at (0,0) width 497: "You should see a reflected video below, rather than the red video background."
layer at (8,50) size 300x292
  RenderBlock {DIV} at (0,34) size 300x292
    RenderText {#text} at (0,0) size 0x0
layer at (8,50) size 352x288
  RenderVideo {VIDEO} at (0,0) size 352x288 [bgcolor=#FF0000]