Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] [BFC] children: not-inline BlockContainer at [0,0] [0+0+0 800 0+0+0] [0+0+0 76 0+0+0] [BFC] children: not-inline BlockContainer at [8,8] [8+0+0 784 0+0+8] [8+0+0 60 0+0+8] children: not-inline Box at [8,8] [0+0+0 784 0+0+0] [0+0+0 60 0+0+0] [GFC] children: not-inline BlockContainer at [8,8] [0+0+0 23 0+0+0] [0+0+0 11 0+0+0] [BFC] children: not-inline BlockContainer at [8,8] [0+0+0 52 0+0+0] [0+0+0 24 0+0+0] [BFC] children: not-inline BlockContainer at [8,8] [0+0+0 83 0+0+0] [0+0+0 41 0+0+0] [BFC] children: not-inline BlockContainer at [8,8] [0+0+0 120 0+0+0] [0+0+0 60 0+0+0] [BFC] children: not-inline ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x76] PaintableWithLines (BlockContainer) [8,8 784x60] PaintableBox (Box

.grid) [8,8 784x60] PaintableWithLines (BlockContainer

#c1) [8,8 23x11] PaintableWithLines (BlockContainer

#c2) [8,8 52x24] PaintableWithLines (BlockContainer

#c3) [8,8 83x41] PaintableWithLines (BlockContainer

#c4) [8,8 120x60] SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto) SC for BlockContainer [0,0 800x76] [children: 0] (z-index: auto)