Viewport <#document> at (0,0) content-size 800x600 children: not-inline BlockContainer at (0,0) content-size 800x600 [BFC] children: not-inline BlockContainer at (8,8) content-size 784x36 children: not-inline BlockContainer at (13,10) content-size 195.734375x32 children: not-inline BlockContainer <(anonymous)> at (13,10) content-size 195.734375x32 flex-container(column) [FFC] children: not-inline BlockContainer <(anonymous)> at (13,18) content-size 195.734375x16 flex-item [BFC] children: inline frag 0 from BlockContainer start: 0, length: 0, rect: [13,18 195.734375x16] baseline: 12.5 BlockContainer at (13,18) content-size 195.734375x16 inline-block [BFC] children: inline frag 0 from TextNode start: 0, length: 26, rect: [13,18 195.734375x16] baseline: 12.5 "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 800x600] PaintableWithLines (BlockContainer) [8,8 784x36] PaintableWithLines (BlockContainer.btn) [8,8 205.734375x36] PaintableWithLines (BlockContainer(anonymous)) [13,10 195.734375x32] PaintableWithLines (BlockContainer(anonymous)) [13,18 195.734375x16] PaintableWithLines (BlockContainer) [13,18 195.734375x16] TextPaintable (TextNode<#text>) PaintableWithLines (BlockContainer(anonymous)) [8,44 784x0]