layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x600
  RenderBlock {HTML} at (0,0) size 800x600
    RenderBody {BODY} at (8,8) size 784x584
layer at (8,8) size 784x500
  RenderBlock {DIV} at (0,0) size 784x500 [color=#FFFFFF] [bgcolor=#800000]
    RenderText {#text} at (50,50) size 305x18
      text run at (50,50) width 305: "This content should be masked with a soft glow."
