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+0 136 0+0+0] [BFC] children: not-inline BlockContainer at [8,8] [8+0+0 784 0+0+8] [8+0+0 120 0+0+8] children: not-inline Box at [13,13] [0+5+0 50 0+5+724] [0+5+0 50 0+5+0] [GFC] children: not-inline BlockContainer at [13,13] [0+0+0 0 0+0+0] [0+0+0 25 0+0+0] [BFC] children: inline frag 0 from TextNode start: 0, length: 10, rect: [13,13 115.625x18] baseline: 13.796875 "XXXXXXXXXX" TextNode <#text> (not painted) BlockContainer at [13,38] [0+0+0 0 0+0+0] [0+0+0 25 0+0+0] [BFC] children: not-inline BlockContainer <(anonymous)> at [8,68] [0+0+0 784 0+0+0] [0+0+0 0 0+0+0] children: inline TextNode <#text> (not painted) Box at [13,73] [0+5+0 50 0+5+724] [0+5+0 50 0+5+0] [GFC] children: not-inline BlockContainer at [18,73] [5+0+0 0 0+0+5] [0+0+0 25 0+0+0] [BFC] children: not-inline BlockContainer at [13,98] [0+0+0 10 0+0+0] [0+0+0 25 0+0+0] [BFC] children: not-inline BlockContainer <(anonymous)> at [8,128] [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 800x136] PaintableWithLines (BlockContainer) [8,8 784x120] PaintableBox (Box
.grid) [8,8 60x60] PaintableWithLines (BlockContainer
#a) [13,13 0x25] TextPaintable (TextNode<#text>) PaintableWithLines (BlockContainer
#b) [13,38 0x25] PaintableWithLines (BlockContainer(anonymous)) [8,68 784x0] PaintableBox (Box
.grid) [8,68 60x60] PaintableWithLines (BlockContainer
#a) [18,73 0x25] PaintableWithLines (BlockContainer
#b) [13,98 10x25] PaintableWithLines (BlockContainer(anonymous)) [8,128 784x0] SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto) SC for BlockContainer [0,0 800x136] [children: 0] (z-index: auto)