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 30 0+0+0] [BFC] children: not-inline BlockContainer at [0,0] [0+0+0 800 0+0+0] [0+0+0 30 0+0+0] children: not-inline BlockContainer at [0,0] positioned [0+0+0 800 0+0+0] [0+0+0 30 0+0+0] children: inline InlineNode at [0,5] [0+0+0 10 0+0+0] [0+0+0 10 0+0+0] frag 0 from TextNode start: 0, length: 1, rect: [0,5 10x10] baseline: 8 "a" frag 0 from BlockContainer start: 0, length: 0, rect: [0,20 800x10] baseline: 0 TextNode <#text> (not painted) BlockContainer
at [0,20] [0+0+0 800 0+0+0] [0+0+0 10 0+0+0] children: inline frag 0 from TextNode start: 0, length: 5, rect: [0,25 50x10] baseline: 8 "block" TextNode <#text> (not painted) BlockContainer <(anonymous)> at [0,30] positioned [0+0+0 10 0+0+0] [0+0+0 20 0+0+0] [BFC] children: inline frag 0 from GeneratedTextNode start: 0, length: 1, rect: [0,35 10x10] baseline: 8 "X" GeneratedTextNode <(anonymous)> (not painted) BlockContainer <(anonymous)> at [0,30] [0+0+0 800 0+0+0] [0+0+0 0 0+0+0] children: inline TextNode <#text> (not painted) ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x30] PaintableWithLines (BlockContainer) [0,0 800x30] PaintableWithLines (BlockContainer
.rel) [0,0 800x30] PaintableWithLines (InlineNode) [0,5 10x10] PaintableWithLines (InlineNode) [0,20 0x0] PaintableWithLines (BlockContainer
) [0,20 800x10] PaintableWithLines (InlineNode) [0,5 10x10] PaintableWithLines (InlineNode) [0,20 0x0] PaintableWithLines (BlockContainer
) [0,20 800x10] PaintableWithLines (BlockContainer(anonymous)) [0,30 10x20] PaintableWithLines (BlockContainer(anonymous)) [0,30 800x0] SC for Viewport<#document> [0,0 800x600] (z-index: auto) SC for BlockContainer [0,0 800x30] (z-index: auto)