layer at (0,0)
  LayoutView at (0,0) size 800x600
layer at (0,0)
  LayoutBlockFlow {HTML} at (0,0) size 800x200
    LayoutBlockFlow {BODY} at (0,0) size 800x200
layer at (0,0)
  LayoutBlockFlow (display-locked, children-inline, relayout-boundary) {DIV} at (0,0) size 800x0