Viewport <#document> at (0,0) content-size 800x600 children: not-inline BlockContainer at (0,0) content-size 800x64 [BFC] children: not-inline BlockContainer at (8,8) content-size 784x48 children: not-inline SVGSVGBox at (8,8) content-size 48x48 [SVG] children: not-inline SVGForeignObjectBox at (8,8) content-size 30x30 [BFC] children: not-inline BlockContainer
at (13,13) content-size 40x40 children: not-inline BlockContainer <(anonymous)> at (8,56) content-size 784x0 children: inline TextNode <#text> ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x64] PaintableWithLines (BlockContainer) [8,8 784x48] SVGSVGPaintable (SVGSVGBox) [8,8 48x48] SVGForeignObjectPaintable (SVGForeignObjectBox) [8,8 30x30] overflow: [8,8 50x50] PaintableWithLines (BlockContainer
) [8,8 50x50] PaintableWithLines (BlockContainer(anonymous)) [8,56 784x0] SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto) SC for BlockContainer [0,0 800x64] [children: 1] (z-index: auto) SC for SVGForeignObjectBox [8,8 30x30] [children: 0] (z-index: auto)