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+0 474 0+0+0] [BFC] children: not-inline BlockContainer at [8,8] [8+0+0 784 0+0+8] [8+0+0 458 0+0+8] children: not-inline Box at [10,10] flex-container(column) [0+2+0 50 0+2+730] [0+2+0 400 0+2+0] [FFC] children: not-inline BlockContainer <(anonymous)> (not painted) [BFC] children: inline TextNode <#text> (not painted) BlockContainer at [10,160] flex-item [0+0+0 50 0+0+0] [0+0+0 50 0+0+0] [BFC] children: not-inline BlockContainer <(anonymous)> (not painted) [BFC] children: inline TextNode <#text> (not painted) BlockContainer at [10,260] flex-item [0+0+0 50 0+0+0] [0+0+0 50 0+0+0] [BFC] children: not-inline BlockContainer <(anonymous)> (not painted) [BFC] children: inline TextNode <#text> (not painted) BlockContainer at [10,360] flex-item [0+0+0 50 0+0+0] [0+0+0 50 0+0+0] [BFC] children: not-inline BlockContainer <(anonymous)> (not painted) [BFC] children: inline TextNode <#text> (not painted) BlockContainer <(anonymous)> at [8,412] [0+0+0 784 0+0+0] [0+0+0 0 0+0+0] children: inline TextNode <#text> (not painted) Box at [10,414] flex-container(row) [0+2+0 400 0+2+380] [0+2+0 50 0+2+0] [FFC] children: not-inline BlockContainer <(anonymous)> (not painted) [BFC] children: inline TextNode <#text> (not painted) BlockContainer at [160,414] flex-item [0+0+0 50 0+0+0] [0+0+0 50 0+0+0] [BFC] children: not-inline BlockContainer <(anonymous)> (not painted) [BFC] children: inline TextNode <#text> (not painted) BlockContainer at [260,414] flex-item [0+0+0 50 0+0+0] [0+0+0 50 0+0+0] [BFC] children: not-inline BlockContainer <(anonymous)> (not painted) [BFC] children: inline TextNode <#text> (not painted) BlockContainer at [360,414] flex-item [0+0+0 50 0+0+0] [0+0+0 50 0+0+0] [BFC] children: not-inline BlockContainer <(anonymous)> (not painted) [BFC] children: inline TextNode <#text> (not painted) BlockContainer <(anonymous)> at [8,466] [0+0+0 784 0+0+0] [0+0+0 0 0+0+0] children: inline TextNode <#text> (not painted) TextNode <#text> (not painted) ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x474] PaintableWithLines (BlockContainer) [8,8 784x458] PaintableBox (Box

.container.col) [8,8 54x404] PaintableWithLines (BlockContainer

.item) [10,160 50x50] PaintableWithLines (BlockContainer

.item) [10,260 50x50] PaintableWithLines (BlockContainer

.item) [10,360 50x50] PaintableWithLines (BlockContainer(anonymous)) [8,412 784x0] PaintableBox (Box

.container.row) [8,412 404x54] PaintableWithLines (BlockContainer

.item) [160,414 50x50] PaintableWithLines (BlockContainer

.item) [260,414 50x50] PaintableWithLines (BlockContainer

.item) [360,414 50x50] PaintableWithLines (BlockContainer(anonymous)) [8,466 784x0] SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto) SC for BlockContainer [0,0 800x474] [children: 0] (z-index: auto)