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 34 0+0+0] [BFC] children: not-inline BlockContainer at [8,8] [8+0+0 784 0+0+8] [8+0+0 18 0+0+8] children: not-inline Box at [8,8] [0+0+0 784 0+0+0] [0+0+0 18 0+0+0] [GFC] children: not-inline BlockContainer
at [8,8] [0+0+0 367 0+0+0] [0+0+0 18 0+0+0] [BFC] children: inline frag 0 from TextNode start: 0, length: 1, rect: [8,8 9.34375x18] baseline: 13.796875 "a" TextNode <#text> (not painted) BlockContainer
at [425,8] [0+0+0 367 0+0+0] [0+0+0 18 0+0+0] [BFC] children: inline frag 0 from TextNode start: 0, length: 1, rect: [425,8 9.46875x18] baseline: 13.796875 "b" TextNode <#text> (not painted) ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x34] PaintableWithLines (BlockContainer) [8,8 784x18] PaintableBox (Box
.grid) [8,8 784x18] PaintableWithLines (BlockContainer
) [8,8 367x18] TextPaintable (TextNode<#text>) PaintableWithLines (BlockContainer
) [425,8 367x18] TextPaintable (TextNode<#text>) SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto) SC for BlockContainer [0,0 800x34] [children: 0] (z-index: auto)