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 [1,1] [0+1+0 798 0+1+0] [0+1+0 80 0+1+0] [BFC] children: not-inline BlockContainer at [10,10] [8+1+0 780 0+1+8] [8+1+0 62 0+1+8] children: not-inline Box at [11,11] flex-container(row) [0+1+0 778 0+1+0] [0+1+0 60 0+1+0] [FFC] children: not-inline BlockContainer at [12,12] flex-item [0+1+0 386 0+1+0] [0+1+0 28 0+1+0] [BFC] children: inline frag 0 from TextNode start: 0, length: 6, rect: [12,12 58.421875x20] baseline: 16 "Item 1" TextNode <#text> (not painted) BlockContainer at [401,12] flex-item [0+1+0 386 0+1+0] [0+1+0 28 0+1+0] [BFC] children: inline frag 0 from TextNode start: 0, length: 6, rect: [401,12 61.5x20] baseline: 16 "Item 2" TextNode <#text> (not painted) BlockContainer at [12,42] flex-item [0+1+0 386 0+1+0] [0+1+0 28 0+1+0] [BFC] children: inline frag 0 from TextNode start: 0, length: 6, rect: [12,42 61.859375x20] baseline: 16 "Item 3" TextNode <#text> (not painted) BlockContainer at [401,42] flex-item [0+1+0 386 0+1+0] [0+1+0 28 0+1+0] [BFC] children: inline frag 0 from TextNode start: 0, length: 6, rect: [401,42 60.171875x20] baseline: 16 "Item 4" TextNode <#text> (not painted) ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x82] PaintableWithLines (BlockContainer) [9,9 782x64] Paintable (Box

.flex-container) [10,10 780x62] PaintableWithLines (BlockContainer

.flex-item) [11,11 388x30] PaintableWithLines (BlockContainer

.flex-item) [400,11 388x30] PaintableWithLines (BlockContainer

.flex-item) [11,41 388x30] PaintableWithLines (BlockContainer

.flex-item) [400,41 388x30] SC for Viewport<#document> [0,0 800x600] (z-index: auto) SC for BlockContainer [1,1 798x80] (z-index: auto)