Viewport <#document> at (0,0) content-size 800x600 children: not-inline BlockContainer at (1,1) content-size 798x320 [BFC] children: not-inline BlockContainer at (10,10) content-size 780x302 children: not-inline Box at (11,11) content-size 778x300 [GFC] children: not-inline BlockContainer at (12,12) content-size 298x198 [BFC] children: inline frag 0 from TextNode start: 0, length: 1, rect: [12,12 9.34375x17] baseline: 13.296875 "a" TextNode <#text> BlockContainer at (12,212) content-size 298x98 [BFC] children: inline frag 0 from TextNode start: 0, length: 1, rect: [12,212 9.46875x17] baseline: 13.296875 "b" TextNode <#text> ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x322] PaintableWithLines (BlockContainer) [9,9 782x304] PaintableBox (Box

.grid) [10,10 780x302] PaintableWithLines (BlockContainer

.a) [11,11 300x200] TextPaintable (TextNode<#text>) PaintableWithLines (BlockContainer

.b) [11,211 300x100] TextPaintable (TextNode<#text>)