Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x276 [BFC] children: not-inline
    BlockContainer <body> at (8,8) content-size 784x260 children: not-inline
      BlockContainer <form> at (8,8) content-size 784x260 children: inline
        frag 0 from ImageBox start: 0, length: 0, rect: [8,216 48x48] baseline: 48
        frag 1 from TextNode start: 0, length: 1, rect: [56,250 8x18] baseline: 13.796875
            " "
        frag 2 from ImageBox start: 0, length: 0, rect: [64,200 64x64] baseline: 64
        frag 3 from TextNode start: 0, length: 1, rect: [128,250 8x18] baseline: 13.796875
            " "
        frag 4 from ImageBox start: 0, length: 0, rect: [136,8 128x256] baseline: 256
        TextNode <#text>
        ImageBox <input> at (8,216) content-size 48x48 inline-block children: not-inline
          BlockContainer <(anonymous)> at (8,8) content-size 784x0 flex-container(column) [FFC] children: not-inline
            BlockContainer <(anonymous)> at (8,8) content-size 0x0 [BFC] children: not-inline
        TextNode <#text>
        ImageBox <input> at (64,200) content-size 64x64 inline-block children: not-inline
          BlockContainer <(anonymous)> at (8,8) content-size 784x0 flex-container(column) [FFC] children: not-inline
            BlockContainer <(anonymous)> at (8,8) content-size 0x0 [BFC] children: not-inline
        TextNode <#text>
        ImageBox <input> at (136,8) content-size 128x256 inline-block children: not-inline
          BlockContainer <(anonymous)> at (8,8) content-size 784x0 flex-container(column) [FFC] children: not-inline
            BlockContainer <(anonymous)> at (8,8) content-size 0x0 [BFC] children: not-inline
        TextNode <#text>
      BlockContainer <(anonymous)> at (8,268) content-size 784x0 children: inline
        TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x276]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x260]
      PaintableWithLines (BlockContainer<FORM>) [8,8 784x260]
        ImagePaintable (ImageBox<INPUT>) [8,216 48x48]
          PaintableWithLines (BlockContainer(anonymous)) [8,8 784x0]
            PaintableWithLines (BlockContainer(anonymous)) [8,8 0x0]
        TextPaintable (TextNode<#text>)
        ImagePaintable (ImageBox<INPUT>) [64,200 64x64]
          PaintableWithLines (BlockContainer(anonymous)) [8,8 784x0]
            PaintableWithLines (BlockContainer(anonymous)) [8,8 0x0]
        TextPaintable (TextNode<#text>)
        ImagePaintable (ImageBox<INPUT>) [136,8 128x256]
          PaintableWithLines (BlockContainer(anonymous)) [8,8 784x0]
            PaintableWithLines (BlockContainer(anonymous)) [8,8 0x0]
      PaintableWithLines (BlockContainer(anonymous)) [8,268 784x0]
