Viewport <#document> at (0,0) content-size 800x600 children: not-inline BlockContainer at (0,0) content-size 800x34 [BFC] children: not-inline Box at (8,8) content-size 784x18 [GFC] children: not-inline BlockContainer
at (150,8) content-size 500x18 [BFC] children: not-inline BlockContainer at (150,8) content-size 500x18 children: inline frag 0 from TextNode start: 0, length: 11, rect: [150,8 105.953125x18] baseline: 13.796875 "Smartphones" TextNode <#text> ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x34] PaintableBox (Box) [8,8 784x18] PaintableWithLines (BlockContainer
) [150,8 500x18] PaintableWithLines (BlockContainer
#item) [150,8 500x18] 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)