Viewport <#document> at (0,0) content-size 800x600 children: not-inline BlockContainer at (0,0) content-size 800x34 [BFC] children: not-inline BlockContainer at (8,8) content-size 784x18 children: not-inline Box at (8,8) content-size 784x18 [GFC] children: not-inline BlockContainer at (8,8) content-size 261.328125x18 [BFC] children: inline frag 0 from TextNode start: 0, length: 3, rect: [8,8 21.609375x18] baseline: 13.796875 "1fr" TextNode <#text> BlockContainer at (269.328125,8) content-size 522.65625x18 [BFC] children: inline frag 0 from TextNode start: 0, length: 3, rect: [269.328125,8 21.609375x18] baseline: 13.796875 "1fr" TextNode <#text> ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x34] PaintableWithLines (BlockContainer) [8,8 784x18] PaintableBox (Box
.grid) [8,8 784x18] PaintableWithLines (BlockContainer
.item-left) [8,8 261.328125x18] TextPaintable (TextNode<#text>) PaintableWithLines (BlockContainer
.item-right) [269.328125,8 522.65625x18] 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)