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 39 0+0+0] [BFC] children: not-inline BlockContainer at [8,8] [8+0+0 784 0+0+8] [8+0+0 23 0+0+8] children: inline frag 0 from Box start: 0, length: 0, rect: [8,8 23.671875x23] baseline: 17.5 Box at [8,8] flex-container(row) [0+0+0 23.671875 0+0+0] [0+0+0 23 0+0+0] [FFC] children: not-inline BlockContainer <(anonymous)> (not painted) [BFC] children: inline TextNode <#text> (not painted) BlockContainer at [8,8] flex-item [0+0+0 17.828125 0+0+0] [0+0+0 23 0+0+0] [BFC] children: inline frag 0 from TextNode start: 0, length: 1, rect: [8,8 17.828125x23] baseline: 17.5 "A" TextNode <#text> (not painted) BlockContainer <(anonymous)> (not painted) [BFC] children: inline TextNode <#text> (not painted) BlockContainer at [25.828125,16.5] flex-item [0+0+0 5.84375 0+0+0] [0+0+0 12 0+0+0] [BFC] children: inline frag 0 from TextNode start: 0, length: 1, rect: [25.828125,16.5 5.84375x12] baseline: 9 "B" TextNode <#text> (not painted) BlockContainer <(anonymous)> at [8,8] [0+0+0 0 0+0+0] [0+0+0 0 0+0+0] [BFC] children: inline TextNode <#text> (not painted) TextNode <#text> (not painted) ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x39] PaintableWithLines (BlockContainer) [8,8 784x23] PaintableBox (Box
.flex) [8,8 23.671875x23] PaintableWithLines (BlockContainer.tall) [8,8 17.828125x23] TextPaintable (TextNode<#text>) PaintableWithLines (BlockContainer.short) [25.828125,16.5 5.84375x12] TextPaintable (TextNode<#text>) PaintableWithLines (BlockContainer(anonymous)) [8,8 0x0] SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto) SC for BlockContainer [0,0 800x39] [children: 0] (z-index: auto)