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+0 200 0+0+0] [BFC] children: not-inline Box at [8,8] flex-container(row) [8+0+0 300 0+0+492] [8+0+0 200 0+0+8] [FFC] children: not-inline BlockContainer at [8,8] flex-item [0+0+0 100 0+0+0] [0+0+0 50 0+0+0] [BFC] children: not-inline BlockContainer at [8,8] [0+0+0 50 0+0+50] [0+0+0 50 0+0+0] children: inline TextNode <#text> (not painted) ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x200] PaintableBox (Box) [8,8 300x200] PaintableWithLines (BlockContainer

#item2) [8,8 100x50] PaintableWithLines (BlockContainer

#item2-inner) [8,8 50x50] SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto) SC for BlockContainer [0,0 800x200] [children: 0] (z-index: auto)