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 52 0+0+0] [BFC] children: not-inline BlockContainer at [8,8] [8+0+0 784 0+0+8] [8+0+0 36 0+0+8] children: not-inline BlockContainer at [13,10] [0+1+4 195.796875 4+1+578.203125] [0+1+1 32 1+1+0] children: not-inline BlockContainer <(anonymous)> at [13,10] flex-container(column) [0+0+0 195.796875 0+0+0] [0+0+0 32 0+0+0] [FFC] children: not-inline BlockContainer <(anonymous)> at [13,17.5] flex-item [0+0+0 195.796875 0+0+0] [0+0+0 17 0+0+0] [BFC] children: inline frag 0 from BlockContainer start: 0, length: 0, rect: [13,17.5 195.796875x17] baseline: 13 BlockContainer at [13,17.5] inline-block [0+0+0 195.796875 0+0+0] [0+0+0 17 0+0+0] [BFC] children: inline frag 0 from TextNode start: 0, length: 26, rect: [13,17.5 195.796875x17] baseline: 13 "Width should shrink to fit" TextNode <#text> (not painted) BlockContainer <(anonymous)> at [8,44] [0+0+0 784 0+0+0] [0+0+0 0 0+0+0] children: inline TextNode <#text> (not painted) ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x52] PaintableWithLines (BlockContainer) [8,8 784x36] PaintableWithLines (BlockContainer.btn) [8,8 205.796875x36] PaintableWithLines (BlockContainer(anonymous)) [13,10 195.796875x32] PaintableWithLines (BlockContainer(anonymous)) [13,17.5 195.796875x17] PaintableWithLines (BlockContainer) [13,17.5 195.796875x17] TextPaintable (TextNode<#text>) PaintableWithLines (BlockContainer(anonymous)) [8,44 784x0] SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto) SC for BlockContainer [0,0 800x52] [children: 0] (z-index: auto)