Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] children: not-inline
  BlockContainer <html> at [0,0] [0+0+0 800 0+0+0] [0+0+0 16 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] positioned [8+0+0 784 0+0+8] [8+0+0 0 0+0+8] children: not-inline
      BlockContainer <main> at [8,8] positioned [0+0+0 120 0+0+0] [0+0+0 0 0+0+0] [BFC] children: not-inline
        BlockContainer <div#asset-grid> at [18,18] [0+10+0 100 0+10+0] [0+10+0 0 0+10+0] children: not-inline
          BlockContainer <div#virtual-timeline> at [18,18] [0+0+0 100 0+0+0] [0+0+0 30 0+0+0] children: not-inline

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x16]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x0]
      PaintableWithLines (BlockContainer<MAIN>) [8,8 120x0] overflow: [8,8 120x40]
        PaintableWithLines (BlockContainer<DIV>#asset-grid) [8,8 120x20] overflow: [18,18 100x30]
          PaintableWithLines (BlockContainer<DIV>#virtual-timeline) [18,18 100x30]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x16] [children: 0] (z-index: auto)
