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+0 127 0+0+0] [BFC] children: not-inline BlockContainer at [8,8] [8+0+0 784 0+0+8] [8+0+0 111 0+0+8] children: not-inline BlockContainer at [8,8] [0+0+0 784 0+0+0] [0+0+0 18 0+0+75] children: inline frag 0 from TextNode start: 0, length: 5, rect: [8,8 46.15625x18] baseline: 13.796875 "upper" TextNode <#text> (not painted) BlockContainer at [8,101] [0+0+0 784 0+0+0] [0+0+0 0 0+0+0] children: not-inline BlockContainer at [8,101] [0+0+0 784 0+0+0] [0+0+0 18 0+0+0] children: inline frag 0 from TextNode start: 0, length: 5, rect: [8,101 43.359375x18] baseline: 13.796875 "lower" TextNode <#text> (not painted) ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x127] PaintableWithLines (BlockContainer) [8,8 784x111] PaintableWithLines (BlockContainer

.upper) [8,8 784x18] TextPaintable (TextNode<#text>) PaintableWithLines (BlockContainer

.mystery) [8,101 784x0] PaintableWithLines (BlockContainer

.lower) [8,101 784x18] TextPaintable (TextNode<#text>) SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto) SC for BlockContainer [0,0 800x127] [children: 0] (z-index: auto)