Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] [BFC] children: not-inline
  BlockContainer <html> at [0,0] [0+0+0 800 0+0+0] [0+0+0 736 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] [8+0+0 784 0+0+8] [8+0+0 720 0+0+8] children: inline
      frag 0 from VideoBox start: 0, length: 0, rect: [8,8 320x240] baseline: 240
      frag 1 from VideoBox start: 0, length: 0, rect: [8,248 640x480] baseline: 480
      VideoBox <video> at [8,8] inline-block [0+0+0 320 0+0+0] [0+0+0 240 0+0+0] children: not-inline
      TextNode <#text> (not painted)
      VideoBox <video> at [8,248] inline-block [0+0+0 640 0+0+0] [0+0+0 480 0+0+0] children: not-inline
      TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600] overflow: [0,0 800x736]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x736]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x720]
      VideoPaintable (VideoBox<VIDEO>) [8,8 320x240]
      VideoPaintable (VideoBox<VIDEO>) [8,248 640x480]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x736] [children: 0] (z-index: auto)
