Viewport <#document> at (0,0) content-size 800x600 children: not-inline BlockContainer at (1,1) content-size 798x600 [BFC] children: not-inline BlockContainer at (10,10) content-size 780x12 children: not-inline BlockContainer <(anonymous)> at (10,10) content-size 780x0 children: inline TextNode <#text> Box at (11,11) content-size 600x10 flex-container(row) [FFC] children: not-inline BlockContainer <(anonymous)> (not painted) [BFC] children: inline TextNode <#text> BlockContainer at (12,72) content-size 27.15625x18 flex-item [BFC] children: inline line 0 width: 27.15625, height: 17.46875, bottom: 17.46875, baseline: 13.53125 frag 0 from TextNode start: 0, length: 3, rect: [12,72 27.15625x17.46875] "foo" TextNode <#text> BlockContainer <(anonymous)> (not painted) [BFC] children: inline TextNode <#text>