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layer at (0,0) size 800x50
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RenderBody {BODY} at (8,16) size 784x18
RenderBlock {FORM} at (0,0) size 784x18 [bgcolor=#00FF00]
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text run at (0,0) width 202: "The content of this form should "
text run at (202,0) width 151: "have a lime background"