Viewport <#document> at (0,0) content-size 800x600 children: not-inline
BlockContainer <html> at (1,1) content-size 798x600 [BFC] children: not-inline
BlockContainer <body> at (10,10) content-size 780x40 children: not-inline
Box <div.grid-container> at (11,11) content-size 778x38 [GFC] children: not-inline
BlockContainer <div.a> at (12,12) content-size 776x17 [BFC] children: inline
frag 0 from TextNode start: 0, length: 1, rect: [12,12 6.34375x17] baseline: 13.296875
"1"
TextNode <#text>
BlockContainer <div> at (12,31) content-size 387x17 [BFC] children: inline
frag 0 from TextNode start: 0, length: 1, rect: [12,31 8.8125x17] baseline: 13.296875
"2"
TextNode <#text>
ViewportPaintable (Viewport<#document>) [0,0 800x600] overflow: [0,0 800x602]
PaintableWithLines (BlockContainer<HTML>) [0,0 800x602]
PaintableWithLines (BlockContainer<BODY>) [9,9 782x42]
PaintableBox (Box<DIV>.grid-container) [10,10 780x40]
PaintableWithLines (BlockContainer<DIV>.a) [11,11 778x19]
TextPaintable (TextNode<#text>)
PaintableWithLines (BlockContainer<DIV>) [11,30 389x19]
TextPaintable (TextNode<#text>)