Viewport <#document> at (0,0) content-size 800x600 children: not-inline BlockContainer at (0,0) content-size 800x516 [BFC] children: not-inline BlockContainer at (8,8) content-size 784x500 children: not-inline Box at (8,8) content-size 500x500 [GFC] children: not-inline BlockContainer at (8,8) content-size 100x300 [BFC] children: inline frag 0 from TextNode start: 0, length: 1, rect: [8,8 6.34375x17] baseline: 13.296875 "1" TextNode <#text> BlockContainer at (108,8) content-size 100x100 [BFC] children: inline frag 0 from TextNode start: 0, length: 1, rect: [108,8 8.8125x17] baseline: 13.296875 "2" TextNode <#text> BlockContainer at (108,108) content-size 100x100 [BFC] children: inline frag 0 from TextNode start: 0, length: 1, rect: [108,108 9.09375x17] baseline: 13.296875 "3" TextNode <#text> BlockContainer at (108,208) content-size 100x100 [BFC] children: inline frag 0 from TextNode start: 0, length: 1, rect: [108,208 7.75x17] baseline: 13.296875 "4" TextNode <#text> ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x516] PaintableWithLines (BlockContainer) [8,8 784x500] PaintableBox (Box

.grid) [8,8 500x500] PaintableWithLines (BlockContainer

#a) [8,8 100x300] TextPaintable (TextNode<#text>) PaintableWithLines (BlockContainer

#b) [108,8 100x100] TextPaintable (TextNode<#text>) PaintableWithLines (BlockContainer

#c) [108,108 100x100] TextPaintable (TextNode<#text>) PaintableWithLines (BlockContainer

#d) [108,208 100x100] TextPaintable (TextNode<#text>)