layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x600
  RenderBlock {HTML} at (0,0) size 800x600
    RenderBody {BODY} at (8,8) size 784x571 [bgcolor=#FFFF00]
      RenderBlock {H1} at (0,0) size 784x38 [color=#FF00007F]
        RenderText {#text} at (0,1) size 394x36
          text run at (0,1) width 394: "This should be red, alpha 0.5"
      RenderBlock {H1} at (0,59) size 784x39 [color=#FF00007F]
        RenderText {#text} at (0,1) size 455x36
          text run at (0,1) width 455: "This should also be red, alpha 0.5"
      RenderBlock {H1} at (0,118) size 784x39 [color=#00FF0000]
        RenderText {#text} at (0,1) size 424x36
          text run at (0,1) width 424: "This should be green, alpha 0.0"
      RenderBlock {H1} at (0,178) size 784x39 [color=#00FF0000]
        RenderText {#text} at (0,1) size 485x36
          text run at (0,1) width 485: "This should also be green, alpha 0.0"
      RenderBlock {H1} at (0,237) size 784x39 [color=#00FF00]
        RenderText {#text} at (0,1) size 424x36
          text run at (0,1) width 424: "This should be green, alpha 1.0"
      RenderBlock {H1} at (0,297) size 784x39 [color=#00FF00]
        RenderText {#text} at (0,1) size 485x36
          text run at (0,1) width 485: "This should also be green, alpha 1.0"
