Viewport <#document> at (0,0) content-size 800x600 children: not-inline BlockContainer at (0,0) content-size 800x232 [BFC] children: not-inline BlockContainer at (8,8) content-size 784x216 children: not-inline BlockContainer
at (8,8) content-size 784x18 children: inline frag 0 from TextNode start: 0, length: 38, rect: [8,8 312.4375x18] baseline: 13.796875 "This is inserted before the container." TextNode <#text> BlockContainer at (39,57) content-size 722x118 children: not-inline BlockContainer

at (39,73) content-size 722x18 children: inline frag 0 from TextNode start: 0, length: 34, rect: [39,73 270.59375x18] baseline: 13.796875 "This is inserted at the beginning." TextNode <#text> BlockContainer

at (39,107) content-size 722x18 children: inline frag 0 from TextNode start: 0, length: 29, rect: [39,107 230.59375x18] baseline: 13.796875 "This is the original content." TextNode <#text> BlockContainer

at (39,141) content-size 722x18 children: inline frag 0 from TextNode start: 0, length: 28, rect: [39,141 225.515625x18] baseline: 13.796875 "This is inserted at the end." TextNode <#text> BlockContainer

at (8,206) content-size 784x18 children: inline frag 0 from TextNode start: 0, length: 37, rect: [8,206 300.09375x18] baseline: 13.796875 "This is inserted after the container." TextNode <#text> BlockContainer <(anonymous)> at (8,224) content-size 784x0 children: inline TextNode <#text> TextNode <#text> ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x232] PaintableWithLines (BlockContainer) [8,8 784x216] PaintableWithLines (BlockContainer
) [8,8 784x18] TextPaintable (TextNode<#text>) PaintableWithLines (BlockContainer
#container) [28,46 744x140] PaintableWithLines (BlockContainer

) [39,73 722x18] TextPaintable (TextNode<#text>) PaintableWithLines (BlockContainer

) [39,107 722x18] TextPaintable (TextNode<#text>) PaintableWithLines (BlockContainer

) [39,141 722x18] TextPaintable (TextNode<#text>) PaintableWithLines (BlockContainer

) [8,206 784x18] TextPaintable (TextNode<#text>) PaintableWithLines (BlockContainer(anonymous)) [8,224 784x0] SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto) SC for BlockContainer [0,0 800x232] [children: 0] (z-index: auto)