Viewport <#document> at (0,0) content-size 800x600 children: not-inline BlockContainer at (1,1) content-size 798x39 [BFC] children: not-inline BlockContainer at (10,10) content-size 41.953125x21 floating [BFC] children: not-inline Box at (11,11) content-size 39.953125x19 [GFC] children: not-inline BlockContainer at (12,12) content-size 37.953125x17 [BFC] children: inline frag 0 from TextNode start: 0, length: 4, rect: [12,12 37.953125x17] baseline: 13.296875 "whee" TextNode <#text> ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x41] PaintableWithLines (BlockContainer) [9,9 43.953125x23] PaintableBox (Box

.grid) [10,10 41.953125x21] PaintableWithLines (BlockContainer

.whee) [11,11 39.953125x19] TextPaintable (TextNode<#text>)