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 64 0+0+0] [BFC] children: not-inline BlockContainer at [8,8] [8+0+0 784 0+0+8] [8+0+0 48 0+0+8] children: not-inline Box at [8,8] [0+0+0 784 0+0+0] [0+0+0 48 0+0+0] [GFC] children: not-inline BlockContainer <(anonymous)> (not painted) [BFC] children: inline TextNode <#text> (not painted) BlockContainer at [8,8] [0+0+0 48 0+0+0] [0+0+0 48 0+0+0] [BFC] children: not-inline BlockContainer <(anonymous)> (not painted) [BFC] children: inline TextNode <#text> (not painted) BlockContainer at [56,8] [0+0+0 48 0+0+0] [0+0+0 48 0+0+0] [BFC] children: not-inline BlockContainer <(anonymous)> (not painted) [BFC] children: inline TextNode <#text> (not painted) BlockContainer <(anonymous)> at [8,56] [0+0+0 784 0+0+0] [0+0+0 0 0+0+0] children: inline TextNode <#text> (not painted) ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x64] PaintableWithLines (BlockContainer) [8,8 784x48] PaintableBox (Box
.a) [8,8 784x48] PaintableWithLines (BlockContainer
.b) [8,8 48x48] PaintableWithLines (BlockContainer
.c) [56,8 48x48] PaintableWithLines (BlockContainer(anonymous)) [8,56 784x0] SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto) SC for BlockContainer [0,0 800x64] [children: 0] (z-index: auto)