Viewport <#document> at (0,0) content-size 800x600 children: not-inline BlockContainer at (0,0) content-size 800x52 [BFC] children: not-inline BlockContainer at (8,8) content-size 784x36 children: not-inline BlockContainer at (13,10) content-size 195.796875x32 children: not-inline BlockContainer <(anonymous)> at (13,10) content-size 195.796875x32 flex-container(column) [FFC] children: not-inline BlockContainer <(anonymous)> at (13,17.5) content-size 195.796875x17 flex-item [BFC] children: inline frag 0 from BlockContainer start: 0, length: 0, rect: [13,17.5 195.796875x17] baseline: 13 BlockContainer at (13,17.5) content-size 195.796875x17 inline-block [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> BlockContainer <(anonymous)> at (8,44) content-size 784x0 children: inline TextNode <#text> 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)