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+0 177.25 0+0+0] [BFC] children: not-inline BlockContainer at [8,8] [8+0+0 784 0+0+8] [8+0+0 161.25 0+0+8] children: not-inline BlockContainer
at [8,8] [0+0+0 107.5 0+0+676.5] [0+0+0 161.25 0+0+0] children: not-inline ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x177.25] PaintableWithLines (BlockContainer) [8,8 784x161.25] PaintableWithLines (BlockContainer
) [8,8 107.5x161.25] SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto) SC for BlockContainer [0,0 800x177.25] [children: 0] (z-index: auto)