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layer at (0,0) size 800x76
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    RenderBody {BODY} at (8,16) size 784x52
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          text run at (0,0) width 193: "There should be no red below."
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        RenderBlock (compact) {DIV} at (-160,0) size 0x0 [color=#000000]
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            text run at (0,0) width 31: "Test:"
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            text run at (0,0) width 299: "This sentence should have a green background."
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